38672225 has 24 divisors (see below), whose sum is σ = 50856120. Its totient is φ = 29120000.

The previous prime is 38672213. The next prime is 38672243. The reversal of 38672225 is 52227683.

It can be written as a sum of positive squares in 12 ways, for example, as 32993536 + 5678689 = 5744^2 + 2383^2 .

It is not a de Polignac number, because 38672225 - 2¹⁰ = 38671201 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29075 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (2119005).

Almost surely, 2^38672225 is an apocalyptic number.

It is an amenable number.

38672225 is a deficient number, since it is larger than the sum of its proper divisors (12183895).

38672225 is a wasteful number, since it uses less digits than its factorization.

38672225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1376 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 38672225 is about 6218.6996229115. The cubic root of 38672225 is about 338.1684238166.

The spelling of 38672225 in words is "thirty-eight million, six hundred seventy-two thousand, two hundred twenty-five".