22879957 has 4 divisors (see below), whose sum is σ = 22998700. Its totient is φ = 22761216.

The previous prime is 22879951. The next prime is 22879979. The reversal of 22879957 is 75997822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75997822 = 2 ⋅37998911.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 7623121 = 3906^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 22879957 - 2¹¹ = 22877909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22879957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22879951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59082 + ... + 59467.

It is an arithmetic number, because the mean of its divisors is an integer number (5749675).

Almost surely, 2^22879957 is an apocalyptic number.

It is an amenable number.

22879957 is a deficient number, since it is larger than the sum of its proper divisors (118743).

22879957 is a wasteful number, since it uses less digits than its factorization.

22879957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118742.

The product of its digits is 635040, while the sum is 49.

The square root of 22879957 is about 4783.2998024376. The cubic root of 22879957 is about 283.8910719270.

The spelling of 22879957 in words is "twenty-two million, eight hundred seventy-nine thousand, nine hundred fifty-seven".