222173952 has 432 divisors, whose sum is σ = 843370752. Its totient is φ = 50135040.

The previous prime is 222173947. The next prime is 222173953. The reversal of 222173952 is 259371222.

It is a super-2 number, since 2×222173952² = 98722529894596608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

Its product of digits (15120) is a multiple of the sum of its prime factors (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222173953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13069048 + ... + 13069064.

Almost surely, 2^222173952 is an apocalyptic number.

222173952 is a gapful number since it is divisible by the number (22) 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 222173952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421685376).

222173952 is an abundant number, since it is smaller than the sum of its proper divisors (621196800).

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

222173952 is a wasteful number, since it uses less digits than its factorization.

222173952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 53 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 222173952 is about 14905.5007295964. The cubic root of 222173952 is about 605.6630046941.

The spelling of 222173952 in words is "two hundred twenty-two million, one hundred seventy-three thousand, nine hundred fifty-two".