100402244 has 6 divisors (see below), whose sum is σ = 175703934. Its totient is φ = 50201120.

The previous prime is 100402243. The next prime is 100402249. The reversal of 100402244 is 442204001.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 1638400 = 9938^2 + 1280^2 .

It is a super-2 number, since 2×100402244² = 20161221200471072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100402243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550277 + ... + 12550284.

It is an arithmetic number, because the mean of its divisors is an integer number (29283989).

Almost surely, 2^100402244 is an apocalyptic number.

It is an amenable number.

100402244 is a deficient number, since it is larger than the sum of its proper divisors (75301690).

100402244 is a wasteful number, since it uses less digits than its factorization.

100402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100565 (or 25100563 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 100402244 is about 10020.0920155456. The cubic root of 100402244 is about 464.7804011849.

Adding to 100402244 its reverse (442204001), we get a palindrome (542606245).

The spelling of 100402244 in words is "one hundred million, four hundred two thousand, two hundred forty-four".