222055232 has 112 divisors (see below), whose sum is σ = 530595840. Its totient is φ = 90201600.

The previous prime is 222055199. The next prime is 222055237. The reversal of 222055232 is 232550222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 222055198 and 222055207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222055237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819257 + ... + 819527.

Almost surely, 2^222055232 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 222055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265297920).

222055232 is an abundant number, since it is smaller than the sum of its proper divisors (308540608).

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

222055232 is a wasteful number, since it uses less digits than its factorization.

222055232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 222055232 is about 14901.5177750456. The cubic root of 222055232 is about 605.5551055719. Note that the first 3 decimals are identical.

The spelling of 222055232 in words is "two hundred twenty-two million, fifty-five thousand, two hundred thirty-two".