22621074 has 16 divisors (see below), whose sum is σ = 51705408. Its totient is φ = 6463152.

The previous prime is 22621063. The next prime is 22621087. The reversal of 22621074 is 47012622.

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, 269257 + ... + 269340.

It is an arithmetic number, because the mean of its divisors is an integer number (3231588).

Almost surely, 2^22621074 is an apocalyptic number.

22621074 is an abundant number, since it is smaller than the sum of its proper divisors (29084334).

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

22621074 is a wasteful number, since it uses less digits than its factorization.

22621074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538609.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22621074 is about 4756.1616877478. The cubic root of 22621074 is about 282.8162808465.

Adding to 22621074 its reverse (47012622), we get a palindrome (69633696).

The spelling of 22621074 in words is "twenty-two million, six hundred twenty-one thousand, seventy-four".