100491022 has 16 divisors (see below), whose sum is σ = 153452880. Its totient is φ = 49344768.

The previous prime is 100490987. The next prime is 100491059. The reversal of 100491022 is 220194001.

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, 52254 + ... + 54142.

It is an arithmetic number, because the mean of its divisors is an integer number (9590805).

Almost surely, 2^100491022 is an apocalyptic number.

100491022 is a deficient number, since it is larger than the sum of its proper divisors (52961858).

100491022 is a wasteful number, since it uses less digits than its factorization.

100491022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 100491022 is about 10024.5210359398. The cubic root of 100491022 is about 464.9173507094.

The spelling of 100491022 in words is "one hundred million, four hundred ninety-one thousand, twenty-two".