222733398 has 32 divisors (see below), whose sum is σ = 461777760. Its totient is φ = 71536640.

The previous prime is 222733397. The next prime is 222733457. The reversal of 222733398 is 893337222.

It is a super-2 number, since 2×222733398² = 99220333169252808, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222733397) 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, 110536 + ... + 112532.

It is an arithmetic number, because the mean of its divisors is an integer number (14430555).

Almost surely, 2^222733398 is an apocalyptic number.

222733398 is an abundant number, since it is smaller than the sum of its proper divisors (239044362).

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

222733398 is a wasteful number, since it uses less digits than its factorization.

222733398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its digits is 108864, while the sum is 39.

The square root of 222733398 is about 14924.2553583085. The cubic root of 222733398 is about 606.1709426368.

The spelling of 222733398 in words is "two hundred twenty-two million, seven hundred thirty-three thousand, three hundred ninety-eight".