22646452 has 6 divisors (see below), whose sum is σ = 39631298. Its totient is φ = 11323224.

The previous prime is 22646447. The next prime is 22646453. The reversal of 22646452 is 25464622.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 11316496 = 3366^2 + 3364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830803 + ... + 2830810.

Almost surely, 2^22646452 is an apocalyptic number.

It is an amenable number.

22646452 is a deficient number, since it is larger than the sum of its proper divisors (16984846).

22646452 is a wasteful number, since it uses less digits than its factorization.

22646452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661617 (or 5661615 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 22646452 is about 4758.8288475212. The cubic root of 22646452 is about 282.9220027533.

The spelling of 22646452 in words is "twenty-two million, six hundred forty-six thousand, four hundred fifty-two".