100402222 has 8 divisors (see below), whose sum is σ = 157151376. Its totient is φ = 48018432.

The previous prime is 100402219. The next prime is 100402223. The reversal of 100402222 is 222204001.

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 (100402223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091283 + ... + 1091374.

It is an arithmetic number, because the mean of its divisors is an integer number (19643922).

Almost surely, 2^100402222 is an apocalyptic number.

100402222 is a deficient number, since it is larger than the sum of its proper divisors (56749154).

100402222 is a wasteful number, since it uses less digits than its factorization.

100402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182682.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 100402222 is about 10020.0909177512. The cubic root of 100402222 is about 464.7803672375.

Adding to 100402222 its reverse (222204001), we get a palindrome (322606223).

The spelling of 100402222 in words is "one hundred million, four hundred two thousand, two hundred twenty-two".