39020225 has 24 divisors (see below), whose sum is σ = 50621760. Its totient is φ = 29798720.

The previous prime is 39020207. The next prime is 39020231. The reversal of 39020225 is 52202093.

It is not a de Polignac number, because 39020225 - 2⁸ = 39019969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39020225.

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, 77324 + ... + 77826.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^39020225 is an apocalyptic number.

It is an amenable number.

39020225 is a deficient number, since it is larger than the sum of its proper divisors (11601535).

39020225 is a wasteful number, since it uses less digits than its factorization.

39020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 39020225 is about 6246.6170844706. The cubic root of 39020225 is about 339.1797557532.

The spelling of 39020225 in words is "thirty-nine million, twenty thousand, two hundred twenty-five".