101979222 has 16 divisors (see below), whose sum is σ = 205565952. Its totient is φ = 33725160.

The previous prime is 101979211. The next prime is 101979253. The reversal of 101979222 is 222979101.

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, 66154 + ... + 67677.

It is an arithmetic number, because the mean of its divisors is an integer number (12847872).

Almost surely, 2^101979222 is an apocalyptic number.

101979222 is an abundant number, since it is smaller than the sum of its proper divisors (103586730).

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

101979222 is a wasteful number, since it uses less digits than its factorization.

101979222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133963.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 101979222 is about 10098.4762216881. The cubic root of 101979222 is about 467.2011446528.

It can be divided in two parts, 101979 and 222, that added together give a palindrome (102201).

The spelling of 101979222 in words is "one hundred one million, nine hundred seventy-nine thousand, two hundred twenty-two".