100422229 has 4 divisors (see below), whose sum is σ = 100615500. Its totient is φ = 100228960.

The previous prime is 100422197. The next prime is 100422269. The reversal of 100422229 is 922224001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922224001 = 37 ⋅24924973.

It can be written as a sum of positive squares in 2 ways, for example, as 41899729 + 58522500 = 6473^2 + 7650^2 .

It is a cyclic number.

It is not a de Polignac number, because 100422229 - 2⁵ = 100422197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100422269) 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, 95854 + ... + 96895.

It is an arithmetic number, because the mean of its divisors is an integer number (25153875).

Almost surely, 2^100422229 is an apocalyptic number.

It is an amenable number.

100422229 is a deficient number, since it is larger than the sum of its proper divisors (193271).

100422229 is an equidigital number, since it uses as much as digits as its factorization.

100422229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193270.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 100422229 is about 10021.0892122563. The cubic root of 100422229 is about 464.8112372158.

The spelling of 100422229 in words is "one hundred million, four hundred twenty-two thousand, two hundred twenty-nine".