222694464 has 112 divisors (see below), whose sum is σ = 620328960. Its totient is φ = 70371840.

The previous prime is 222694429. The next prime is 222694471. The reversal of 222694464 is 464496222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931657 + ... + 931895.

Almost surely, 2^222694464 is an apocalyptic number.

222694464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222694464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310164480).

222694464 is an abundant number, since it is smaller than the sum of its proper divisors (397634496).

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

222694464 is a wasteful number, since it uses less digits than its factorization.

222694464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 478 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 222694464 is about 14922.9509146147. The cubic root of 222694464 is about 606.1356208351.

The spelling of 222694464 in words is "two hundred twenty-two million, six hundred ninety-four thousand, four hundred sixty-four".