39222128 has 40 divisors (see below), whose sum is σ = 87784560. Its totient is φ = 16778240.

The previous prime is 39222103. The next prime is 39222133. The reversal of 39222128 is 82122293.

It is a self number, because there is not a number n which added to its sum of digits gives 39222128.

It is a congruent number.

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, 3563 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (2194614).

Almost surely, 2^39222128 is an apocalyptic number.

It is an amenable number.

39222128 is an abundant number, since it is smaller than the sum of its proper divisors (48562432).

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

39222128 is a wasteful number, since it uses less digits than its factorization.

39222128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145 (or 13139 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 39222128 is about 6262.7572202665. The cubic root of 39222128 is about 339.7637574580.

The spelling of 39222128 in words is "thirty-nine million, two hundred twenty-two thousand, one hundred twenty-eight".