100402422 has 16 divisors (see below), whose sum is σ = 211373760. Its totient is φ = 31705992.

The previous prime is 100402417. The next prime is 100402427. The reversal of 100402422 is 224204001.

It is an interprime number because it is at equal distance from previous prime (100402417) and next prime (100402427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440248 + ... + 440475.

It is an arithmetic number, because the mean of its divisors is an integer number (13210860).

Almost surely, 2^100402422 is an apocalyptic number.

100402422 is an abundant number, since it is smaller than the sum of its proper divisors (110971338).

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

100402422 is a wasteful number, since it uses less digits than its factorization.

100402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880747.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 100402422 is about 10020.1008976956. The cubic root of 100402422 is about 464.7806758496.

Adding to 100402422 its reverse (224204001), we get a palindrome (324606423).

The spelling of 100402422 in words is "one hundred million, four hundred two thousand, four hundred twenty-two".