22133870 has 32 divisors (see below), whose sum is σ = 43670016. Its totient is φ = 8010400.

The previous prime is 22133869. The next prime is 22133893. The reversal of 22133870 is 7833122.

It is a congruent 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, 33887 + ... + 34533.

It is an arithmetic number, because the mean of its divisors is an integer number (1364688).

Almost surely, 2^22133870 is an apocalyptic number.

22133870 is a deficient number, since it is larger than the sum of its proper divisors (21536146).

22133870 is a wasteful number, since it uses less digits than its factorization.

22133870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22133870 is about 4704.6647064376. The cubic root of 22133870 is about 280.7711311273.

Adding to 22133870 its reverse (7833122), we get a palindrome (29966992).

The spelling of 22133870 in words is "twenty-two million, one hundred thirty-three thousand, eight hundred seventy".