22666552 has 8 divisors (see below), whose sum is σ = 42499800. Its totient is φ = 11333272.

The previous prime is 22666541. The next prime is 22666571. The reversal of 22666552 is 25566622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416652 + ... + 1416667.

It is an arithmetic number, because the mean of its divisors is an integer number (5312475).

Almost surely, 2^22666552 is an apocalyptic number.

It is an amenable number.

22666552 is a deficient number, since it is larger than the sum of its proper divisors (19833248).

22666552 is a wasteful number, since it uses less digits than its factorization.

22666552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833325 (or 2833321 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 22666552 is about 4760.9402432713. The cubic root of 22666552 is about 283.0056810656.

The spelling of 22666552 in words is "twenty-two million, six hundred sixty-six thousand, five hundred fifty-two".