22502468 has 6 divisors (see below), whose sum is σ = 39379326. Its totient is φ = 11251232.

The previous prime is 22502461. The next prime is 22502471. The reversal of 22502468 is 86420522.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 53824 = 4738^2 + 232^2 .

It is a super-2 number, since 2×22502468² = 1012722132182048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22502468.

It is not an unprimeable number, because it can be changed into a prime (22502461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812805 + ... + 2812812.

It is an arithmetic number, because the mean of its divisors is an integer number (6563221).

Almost surely, 2^22502468 is an apocalyptic number.

It is an amenable number.

22502468 is a deficient number, since it is larger than the sum of its proper divisors (16876858).

22502468 is a wasteful number, since it uses less digits than its factorization.

22502468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625621 (or 5625619 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 22502468 is about 4743.6766331612. The cubic root of 22502468 is about 282.3211304066.

The spelling of 22502468 in words is "twenty-two million, five hundred two thousand, four hundred sixty-eight".