39222930 has 16 divisors (see below), whose sum is σ = 94135104. Its totient is φ = 10459440.

The previous prime is 39222929. The next prime is 39222941. The reversal of 39222930 is 3922293.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1307431 = 39222930 / (3 + 9 + 2 + 2 + 2 + 9 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653686 + ... + 653745.

It is an arithmetic number, because the mean of its divisors is an integer number (5883444).

Almost surely, 2^39222930 is an apocalyptic number.

39222930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39222930 is an abundant number, since it is smaller than the sum of its proper divisors (54912174).

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

39222930 is a wasteful number, since it uses less digits than its factorization.

39222930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307441.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 39222930 is about 6262.8212492454. The cubic root of 39222930 is about 339.7660732314.

The spelling of 39222930 in words is "thirty-nine million, two hundred twenty-two thousand, nine hundred thirty".