22872377 has 16 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 20169600.

The previous prime is 22872341. The next prime is 22872379. The reversal of 22872377 is 77327822.

It is not a de Polignac number, because 22872377 - 2²² = 18678073 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 22872377.

It is not an unprimeable number, because it can be changed into a prime (22872379) 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 15 ways as a sum of consecutive naturals, for example, 59528 + ... + 59910.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^22872377 is an apocalyptic number.

It is an amenable number.

22872377 is a deficient number, since it is larger than the sum of its proper divisors (2840263).

22872377 is a wasteful number, since it uses less digits than its factorization.

22872377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its digits is 65856, while the sum is 38.

The square root of 22872377 is about 4782.5073967533. The cubic root of 22872377 is about 283.8597179636.

Subtracting 22872377 from its reverse (77327822), we obtain a palindrome (54455445).

It can be divided in two parts, 228723 and 77, that multiplied together give a palindrome (17611671).

The spelling of 22872377 in words is "twenty-two million, eight hundred seventy-two thousand, three hundred seventy-seven".