100420222 has 32 divisors (see below), whose sum is σ = 181868544. Its totient is φ = 40672800.

The previous prime is 100420217. The next prime is 100420261. The reversal of 100420222 is 222024001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15972 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (5683392).

Almost surely, 2^100420222 is an apocalyptic number.

100420222 is a deficient number, since it is larger than the sum of its proper divisors (81448322).

100420222 is a wasteful number, since it uses less digits than its factorization.

100420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

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

The square root of 100420222 is about 10020.9890729409. The cubic root of 100420222 is about 464.8081406823.

Adding to 100420222 its reverse (222024001), we get a palindrome (322444223).

The spelling of 100420222 in words is "one hundred million, four hundred twenty thousand, two hundred twenty-two".