222272556 has 48 divisors (see below), whose sum is σ = 567920640. Its totient is φ = 67101120.

The previous prime is 222272551. The next prime is 222272563. The reversal of 222272556 is 655272222.

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

It is not an unprimeable number, because it can be changed into a prime (222272551) 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, 33525 + ... + 39603.

It is an arithmetic number, because the mean of its divisors is an integer number (11831680).

Almost surely, 2^222272556 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 222272556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283960320).

222272556 is an abundant number, since it is smaller than the sum of its proper divisors (345648084).

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

222272556 is a wasteful number, since it uses less digits than its factorization.

222272556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374 (or 6372 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 222272556 is about 14908.8080006418. The cubic root of 222272556 is about 605.7525920971.

The spelling of 222272556 in words is "two hundred twenty-two million, two hundred seventy-two thousand, five hundred fifty-six".