22912641 has 12 divisors (see below), whose sum is σ = 33800832. Its totient is φ = 14949816.

The previous prime is 22912633. The next prime is 22912649. The reversal of 22912641 is 14621922.

22912641 is a `hidden beast` number, since 2 + 2 + 9 + 12 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (22912633) and next prime (22912649).

It is not a de Polignac number, because 22912641 - 2³ = 22912633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22912649) 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 in 11 ways as a sum of consecutive naturals, for example, 26661 + ... + 27506.

It is an arithmetic number, because the mean of its divisors is an integer number (2816736).

Almost surely, 2^22912641 is an apocalyptic number.

It is an amenable number.

22912641 is a deficient number, since it is larger than the sum of its proper divisors (10888191).

22912641 is a wasteful number, since it uses less digits than its factorization.

22912641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54220 (or 54217 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 22912641 is about 4786.7150531445. The cubic root of 22912641 is about 284.0261869988.

The spelling of 22912641 in words is "twenty-two million, nine hundred twelve thousand, six hundred forty-one".