22552465 has 8 divisors (see below), whose sum is σ = 29144808. Its totient is φ = 16654080.

The previous prime is 22552457. The next prime is 22552477. The reversal of 22552465 is 56425522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 22344529 = 456^2 + 4727^2 .

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

It is not a de Polignac number, because 22552465 - 2³ = 22552457 is a prime.

It is a super-2 number, since 2×22552465² = 1017227355152450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173416 + ... + 173545.

It is an arithmetic number, because the mean of its divisors is an integer number (3643101).

Almost surely, 2^22552465 is an apocalyptic number.

It is an amenable number.

22552465 is a deficient number, since it is larger than the sum of its proper divisors (6592343).

22552465 is a wasteful number, since it uses less digits than its factorization.

22552465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346979.

The product of its digits is 24000, while the sum is 31.

The square root of 22552465 is about 4748.9435667314. The cubic root of 22552465 is about 282.5300670219.

Adding to 22552465 its reverse (56425522), we get a palindrome (78977987).

The spelling of 22552465 in words is "twenty-two million, five hundred fifty-two thousand, four hundred sixty-five".