22814772 has 12 divisors (see below), whose sum is σ = 53234496. Its totient is φ = 7604920.

The previous prime is 22814761. The next prime is 22814777. The reversal of 22814772 is 27741822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22814777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950604 + ... + 950627.

It is an arithmetic number, because the mean of its divisors is an integer number (4436208).

Almost surely, 2^22814772 is an apocalyptic number.

It is an amenable number.

22814772 is an abundant number, since it is smaller than the sum of its proper divisors (30419724).

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

22814772 is a wasteful number, since it uses less digits than its factorization.

22814772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901238 (or 1901236 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 22814772 is about 4776.4811315444. The cubic root of 22814772 is about 283.6212135907.

The spelling of 22814772 in words is "twenty-two million, eight hundred fourteen thousand, seven hundred seventy-two".