22666545 has 48 divisors (see below), whose sum is σ = 44366400. Its totient is φ = 10604160.

The previous prime is 22666541. The next prime is 22666571. The reversal of 22666545 is 54566622.

It is not a de Polignac number, because 22666545 - 2² = 22666541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22666541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13566 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (924300).

Almost surely, 2^22666545 is an apocalyptic number.

It is an amenable number.

22666545 is a deficient number, since it is larger than the sum of its proper divisors (21699855).

22666545 is a wasteful number, since it uses less digits than its factorization.

22666545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1627 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 22666545 is about 4760.9395081223. The cubic root of 22666545 is about 283.0056519326.

The spelling of 22666545 in words is "twenty-two million, six hundred sixty-six thousand, five hundred forty-five".