22970661 has 24 divisors (see below), whose sum is σ = 35814240. Its totient is φ = 13057632.

The previous prime is 22970627. The next prime is 22970663. The reversal of 22970661 is 16607922.

It is not a de Polignac number, because 22970661 - 2²² = 18776357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22970663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44875 + ... + 45383.

It is an arithmetic number, because the mean of its divisors is an integer number (1492260).

Almost surely, 2^22970661 is an apocalyptic number.

22970661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22970661 is a deficient number, since it is larger than the sum of its proper divisors (12843579).

22970661 is a wasteful number, since it uses less digits than its factorization.

22970661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 22970661 is about 4792.7717450344. The cubic root of 22970661 is about 284.2657244840.

The spelling of 22970661 in words is "twenty-two million, nine hundred seventy thousand, six hundred sixty-one".