33879225 has 12 divisors (see below), whose sum is σ = 56013776. Its totient is φ = 18068880.

The previous prime is 33879203. The next prime is 33879239. The reversal of 33879225 is 52297833.

It is not a de Polignac number, because 33879225 - 2¹⁴ = 33862841 is a prime.

It is a super-2 number, since 2×33879225² = 2295603773201250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225787 + ... + 225936.

Almost surely, 2^33879225 is an apocalyptic number.

It is an amenable number.

33879225 is a deficient number, since it is larger than the sum of its proper divisors (22134551).

33879225 is a wasteful number, since it uses less digits than its factorization.

33879225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451736 (or 451731 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 33879225 is about 5820.5863106735. The cubic root of 33879225 is about 323.5771327598.

The spelling of 33879225 in words is "thirty-three million, eight hundred seventy-nine thousand, two hundred twenty-five".