22561602 has 16 divisors (see below), whose sum is σ = 51569472. Its totient is φ = 6446160.

The previous prime is 22561577. The next prime is 22561613. The reversal of 22561602 is 20616522.

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, 268549 + ... + 268632.

It is an arithmetic number, because the mean of its divisors is an integer number (3223092).

Almost surely, 2^22561602 is an apocalyptic number.

22561602 is an abundant number, since it is smaller than the sum of its proper divisors (29007870).

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

22561602 is a wasteful number, since it uses less digits than its factorization.

22561602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537193.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22561602 is about 4749.9054727436. The cubic root of 22561602 is about 282.5682170080.

The spelling of 22561602 in words is "twenty-two million, five hundred sixty-one thousand, six hundred two".