22867145 has 16 divisors (see below), whose sum is σ = 32030208. Its totient is φ = 15345600.

The previous prime is 22867139. The next prime is 22867153. The reversal of 22867145 is 54176822.

It is not a de Polignac number, because 22867145 - 2¹⁰ = 22866121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5306 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (2001888).

Almost surely, 2^22867145 is an apocalyptic number.

It is an amenable number.

22867145 is a deficient number, since it is larger than the sum of its proper divisors (9163063).

22867145 is a wasteful number, since it uses less digits than its factorization.

22867145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960.

The product of its digits is 26880, while the sum is 35.

The square root of 22867145 is about 4781.9603720650. The cubic root of 22867145 is about 283.8380722422.

It can be divided in two parts, 2286 and 7145, that multiplied together give a triangular number (16333470 = T₅₇₁₅).

The spelling of 22867145 in words is "twenty-two million, eight hundred sixty-seven thousand, one hundred forty-five".