222053238 has 60 divisors (see below), whose sum is σ = 544338828. Its totient is φ = 67098240.

The previous prime is 222053233. The next prime is 222053311. The reversal of 222053238 is 832350222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222053231) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 628870 + ... + 629222.

Almost surely, 2^222053238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222053238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272169414).

222053238 is an abundant number, since it is smaller than the sum of its proper divisors (322285590).

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

222053238 is an equidigital number, since it uses as much as digits as its factorization.

222053238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 222053238 is about 14901.4508689590. The cubic root of 222053238 is about 605.5532929891.

The spelling of 222053238 in words is "two hundred twenty-two million, fifty-three thousand, two hundred thirty-eight".