100491422 has 8 divisors (see below), whose sum is σ = 151142376. Its totient is φ = 50110632.

The previous prime is 100491421. The next prime is 100491427. The reversal of 100491422 is 224194001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100491421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66608 + ... + 68099.

It is an arithmetic number, because the mean of its divisors is an integer number (18892797).

Almost surely, 2^100491422 is an apocalyptic number.

100491422 is a deficient number, since it is larger than the sum of its proper divisors (50650954).

100491422 is a wasteful number, since it uses less digits than its factorization.

100491422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135082.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 100491422 is about 10024.5409869979. The cubic root of 100491422 is about 464.9179675695.

The spelling of 100491422 in words is "one hundred million, four hundred ninety-one thousand, four hundred twenty-two".