22590074 has 8 divisors (see below), whose sum is σ = 36491700. Its totient is φ = 10426176.

The previous prime is 22590037. The next prime is 22590077. The reversal of 22590074 is 47009522.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 734449 = 4675^2 + 857^2 .

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

It is a super-2 number, since 2×22590074² = 1020622886650952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22590077) 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 3 ways as a sum of consecutive naturals, for example, 434399 + ... + 434450.

Almost surely, 2^22590074 is an apocalyptic number.

22590074 is a deficient number, since it is larger than the sum of its proper divisors (13901626).

22590074 is a wasteful number, since it uses less digits than its factorization.

22590074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868864.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22590074 is about 4752.9016400511. The cubic root of 22590074 is about 282.6870309757.

Adding to 22590074 its reverse (47009522), we get a palindrome (69599596).

The spelling of 22590074 in words is "twenty-two million, five hundred ninety thousand, seventy-four".