222412398 has 16 divisors (see below), whose sum is σ = 479042256. Its totient is φ = 68434560.

The previous prime is 222412391. The next prime is 222412417. The reversal of 222412398 is 893214222.

It is a super-2 number, since 2×222412398² = 98934549568220808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222412391) 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, 1425643 + ... + 1425798.

It is an arithmetic number, because the mean of its divisors is an integer number (29940141).

Almost surely, 2^222412398 is an apocalyptic number.

222412398 is an abundant number, since it is smaller than the sum of its proper divisors (256629858).

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

222412398 is a wasteful number, since it uses less digits than its factorization.

222412398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851459.

The product of its digits is 13824, while the sum is 33.

The square root of 222412398 is about 14913.4971753777. The cubic root of 222412398 is about 605.8796011722.

The spelling of 222412398 in words is "two hundred twenty-two million, four hundred twelve thousand, three hundred ninety-eight".