22961906 has 8 divisors (see below), whose sum is σ = 37574064. Its totient is φ = 10437220.

The previous prime is 22961891. The next prime is 22961921. The reversal of 22961906 is 60916922.

It is an interprime number because it is at equal distance from previous prime (22961891) and next prime (22961921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521840 + ... + 521883.

It is an arithmetic number, because the mean of its divisors is an integer number (4696758).

Almost surely, 2^22961906 is an apocalyptic number.

22961906 is a deficient number, since it is larger than the sum of its proper divisors (14612158).

22961906 is a wasteful number, since it uses less digits than its factorization.

22961906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043736.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 22961906 is about 4791.8583034142. The cubic root of 22961906 is about 284.2296050377.

The spelling of 22961906 in words is "twenty-two million, nine hundred sixty-one thousand, nine hundred six".