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22052013 = 322932099
BaseRepresentation
bin101010000011…
…1110010101101
31112111100200020
41110013302231
521121131023
62104352353
7355303404
oct124076255
945440606
1022052013
11114a2005
1274756b9
134751439
142d0063b
151e08de3
hex1507cad

22052013 has 8 divisors (see below), whose sum is σ = 29532000. Its totient is φ = 14636688.

The previous prime is 22052011. The next prime is 22052029. The reversal of 22052013 is 31025022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22052013 - 21 = 22052011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22051983 and 22052001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15363 + ... + 16736.

It is an arithmetic number, because the mean of its divisors is an integer number (3691500).

Almost surely, 222052013 is an apocalyptic number.

It is an amenable number.

22052013 is a deficient number, since it is larger than the sum of its proper divisors (7479987).

22052013 is a wasteful number, since it uses less digits than its factorization.

22052013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32331.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22052013 is about 4695.9570909454. The cubic root of 22052013 is about 280.4245811962.

Adding to 22052013 its reverse (31025022), we get a palindrome (53077035).

The spelling of 22052013 in words is "twenty-two million, fifty-two thousand, thirteen".

Divisors: 1 3 229 687 32099 96297 7350671 22052013