222225552 has 80 divisors (see below), whose sum is σ = 655156480. Its totient is φ = 72067968.

The previous prime is 222225529. The next prime is 222225569. The reversal of 222225552 is 255522222.

222225552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9033 + ... + 22935.

It is an arithmetic number, because the mean of its divisors is an integer number (8189456).

Almost surely, 2^222225552 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 222225552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327578240).

222225552 is an abundant number, since it is smaller than the sum of its proper divisors (432930928).

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

222225552 is a wasteful number, since it uses less digits than its factorization.

222225552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957 (or 13945 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 222225552 is about 14907.2315337221. The cubic root of 222225552 is about 605.7098895662.

Adding to 222225552 its reverse (255522222), we get a palindrome (477747774).

The spelling of 222225552 in words is "two hundred twenty-two million, two hundred twenty-five thousand, five hundred fifty-two".