222552616 has 64 divisors (see below), whose sum is σ = 492972480. Its totient is φ = 92858880.

The previous prime is 222552611. The next prime is 222552637. The reversal of 222552616 is 616255222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222552611) 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, 259260 + ... + 260116.

It is an arithmetic number, because the mean of its divisors is an integer number (7702695).

Almost surely, 2^222552616 is an apocalyptic number.

222552616 is a gapful number since it is divisible by the number (26) 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 222552616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246486240).

222552616 is an abundant number, since it is smaller than the sum of its proper divisors (270419864).

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

222552616 is a wasteful number, since it uses less digits than its factorization.

222552616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1110 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 222552616 is about 14918.1974782478. The cubic root of 222552616 is about 606.0068983011.

The spelling of 222552616 in words is "two hundred twenty-two million, five hundred fifty-two thousand, six hundred sixteen".