22202772 has 24 divisors (see below), whose sum is σ = 52045056. Its totient is φ = 7366848.

The previous prime is 22202767. The next prime is 22202801. The reversal of 22202772 is 27720222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (2168544).

Almost surely, 2^22202772 is an apocalyptic number.

It is an amenable number.

22202772 is an abundant number, since it is smaller than the sum of its proper divisors (29842284).

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

22202772 is a wasteful number, since it uses less digits than its factorization.

22202772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527 (or 8525 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 22202772 is about 4711.9817486913. The cubic root of 22202772 is about 281.0621730608.

Adding to 22202772 its reverse (27720222), we get a palindrome (49922994).

The spelling of 22202772 in words is "twenty-two million, two hundred two thousand, seven hundred seventy-two".