39225042 has 24 divisors (see below), whose sum is σ = 85314060. Its totient is φ = 13024800.

The previous prime is 39225019. The next prime is 39225047. The reversal of 39225042 is 24052293.

It can be written as a sum of positive squares in 2 ways, for example, as 38675961 + 549081 = 6219^2 + 741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39224997 and 39225015.

It is not an unprimeable number, because it can be changed into a prime (39225047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 792 + ... + 8892.

Almost surely, 2^39225042 is an apocalyptic number.

39225042 is an abundant number, since it is smaller than the sum of its proper divisors (46089018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39225042 is a wasteful number, since it uses less digits than its factorization.

39225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 39225042 is about 6262.9898610807. The cubic root of 39225042 is about 339.7721714760.

The spelling of 39225042 in words is "thirty-nine million, two hundred twenty-five thousand, forty-two".