222426464 has 96 divisors (see below), whose sum is σ = 502951680. Its totient is φ = 95980032.

The previous prime is 222426461. The next prime is 222426469. The reversal of 222426464 is 464624222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 222426464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222426461) 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 15 ways as a sum of consecutive naturals, for example, 845597 + ... + 845859.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^222426464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222426464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251475840).

222426464 is an abundant number, since it is smaller than the sum of its proper divisors (280525216).

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

222426464 is a wasteful number, since it uses less digits than its factorization.

222426464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 404 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 222426464 is about 14913.9687541580. The cubic root of 222426464 is about 605.8923734261.

The spelling of 222426464 in words is "two hundred twenty-two million, four hundred twenty-six thousand, four hundred sixty-four".