39972222228 has 48 divisors (see below), whose sum is σ = 95123266560. Its totient is φ = 13060414944.

The previous prime is 39972222203. The next prime is 39972222253. The reversal of 39972222228 is 82222227993.

It is an interprime number because it is at equal distance from previous prime (39972222203) and next prime (39972222253).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164325 + ... + 327027.

It is an arithmetic number, because the mean of its divisors is an integer number (1981734720).

Almost surely, 2^39972222228 is an apocalyptic number.

It is an amenable number.

39972222228 is an abundant number, since it is smaller than the sum of its proper divisors (55151044332).

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

39972222228 is a wasteful number, since it uses less digits than its factorization.

39972222228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163116 (or 163114 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 39972222228 in words is "thirty-nine billion, nine hundred seventy-two million, two hundred twenty-two thousand, two hundred twenty-eight".