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22009896 = 23322313291
BaseRepresentation
bin101001111110…
…1100000101000
31112102012220100
41103331200220
521113304041
62103425400
7355036536
oct123754050
945365810
1022009896
11114733a7
127455260
13473820c
142ccd156
151deb6b6
hex14fd828

22009896 has 48 divisors (see below), whose sum is σ = 62206560. Its totient is φ = 7017120.

The previous prime is 22009859. The next prime is 22009909. The reversal of 22009896 is 69890022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22009896.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4990 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (1295970).

Almost surely, 222009896 is an apocalyptic number.

It is an amenable number.

22009896 is an abundant number, since it is smaller than the sum of its proper divisors (40196664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22009896 is a wasteful number, since it uses less digits than its factorization.

22009896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13326 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 22009896 is about 4691.4705583644. The cubic root of 22009896 is about 280.2459403755.

The spelling of 22009896 in words is "twenty-two million, nine thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 13291 26582 39873 53164 79746 106328 119619 159492 239238 305693 318984 478476 611386 917079 956952 1222772 1834158 2445544 2751237 3668316 5502474 7336632 11004948 22009896