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2219252 = 22779259
BaseRepresentation
bin1000011101110011110100
311011202020112
420131303310
51032004002
6115322152
724602060
oct10356364
94152215
102219252
1112863a2
128b0358
135c9189
1441aaa0
152dc852
hex21dcf4

2219252 has 12 divisors (see below), whose sum is σ = 4438560. Its totient is φ = 951096.

The previous prime is 2219251. The next prime is 2219279. The reversal of 2219252 is 2529122.

2219252 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39602 + ... + 39657.

It is an arithmetic number, because the mean of its divisors is an integer number (369880).

22219252 is an apocalyptic number.

It is an amenable number.

2219252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2219252 is a wasteful number, since it uses less digits than its factorization.

2219252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79270 (or 79268 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2219252 is about 1489.7154090631. The cubic root of 2219252 is about 130.4374219820.

The spelling of 2219252 in words is "two million, two hundred nineteen thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 79259 158518 317036 554813 1109626 2219252