102772422 has 32 divisors (see below), whose sum is σ = 228787200. Its totient is φ = 34196904.

The previous prime is 102772379. The next prime is 102772469. The reversal of 102772422 is 224277201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37503 + ... + 40149.

It is an arithmetic number, because the mean of its divisors is an integer number (7149600).

Almost surely, 2^102772422 is an apocalyptic number.

102772422 is an abundant number, since it is smaller than the sum of its proper divisors (126014778).

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

102772422 is a wasteful number, since it uses less digits than its factorization.

102772422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 102772422 is about 10137.6734017229. The cubic root of 102772422 is about 468.4093230236.

The spelling of 102772422 in words is "one hundred two million, seven hundred seventy-two thousand, four hundred twenty-two".