100222231 has 4 divisors (see below), whose sum is σ = 103678200. Its totient is φ = 96766264.

The previous prime is 100222229. The next prime is 100222261. The reversal of 100222231 is 132222001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132222001 = 10513 ⋅12577.

It is a cyclic number.

It is not a de Polignac number, because 100222231 - 2¹ = 100222229 is a prime.

It is a super-2 number, since 2×100222231² = 20088991173234722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222261) 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, 1727941 + ... + 1727998.

It is an arithmetic number, because the mean of its divisors is an integer number (25919550).

Almost surely, 2^100222231 is an apocalyptic number.

100222231 is a deficient number, since it is larger than the sum of its proper divisors (3455969).

100222231 is an equidigital number, since it uses as much as digits as its factorization.

100222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455968.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100222231 is about 10011.1053835228. The cubic root of 100222231 is about 464.5024639487.

Adding to 100222231 its reverse (132222001), we get a palindrome (232444232).

The spelling of 100222231 in words is "one hundred million, two hundred twenty-two thousand, two hundred thirty-one".