100939222 has 4 divisors (see below), whose sum is σ = 151408836. Its totient is φ = 50469610.

The previous prime is 100939211. The next prime is 100939243. The reversal of 100939222 is 222939001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222939001 = 47 ⋅4743383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25234804 + ... + 25234807.

It is an arithmetic number, because the mean of its divisors is an integer number (37852209).

Almost surely, 2^100939222 is an apocalyptic number.

100939222 is a deficient number, since it is larger than the sum of its proper divisors (50469614).

100939222 is an equidigital number, since it uses as much as digits as its factorization.

100939222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50469613.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 100939222 is about 10046.8513475616. The cubic root of 100939222 is about 465.6075182662.

The spelling of 100939222 in words is "one hundred million, nine hundred thirty-nine thousand, two hundred twenty-two".