22563292 has 6 divisors (see below), whose sum is σ = 39485768. Its totient is φ = 11281644.

The previous prime is 22563287. The next prime is 22563293. The reversal of 22563292 is 29236522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820408 + ... + 2820415.

Almost surely, 2^22563292 is an apocalyptic number.

It is an amenable number.

22563292 is a deficient number, since it is larger than the sum of its proper divisors (16922476).

22563292 is a wasteful number, since it uses less digits than its factorization.

22563292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640827 (or 5640825 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 22563292 is about 4750.0833676895. The cubic root of 22563292 is about 282.5752721862.

The spelling of 22563292 in words is "twenty-two million, five hundred sixty-three thousand, two hundred ninety-two".