22872007 has 4 divisors (see below), whose sum is σ = 22888656. Its totient is φ = 22855360.

The previous prime is 22871983. The next prime is 22872019. The reversal of 22872007 is 70027822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22872007 - 2¹⁵ = 22839239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22872037) 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, 6058 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (5722164).

Almost surely, 2^22872007 is an apocalyptic number.

22872007 is a deficient number, since it is larger than the sum of its proper divisors (16649).

22872007 is a wasteful number, since it uses less digits than its factorization.

22872007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16648.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 22872007 is about 4782.4687139594. The cubic root of 22872007 is about 283.8581873158.

Adding to 22872007 its reverse (70027822), we get a palindrome (92899829).

The spelling of 22872007 in words is "twenty-two million, eight hundred seventy-two thousand, seven".