222615552 has 96 divisors (see below), whose sum is σ = 625060800. Its totient is φ = 70262784.

The previous prime is 222615539. The next prime is 222615553. The reversal of 222615552 is 255516222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×222615552³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222615553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115783 + ... + 117689.

It is an arithmetic number, because the mean of its divisors is an integer number (6511050).

Almost surely, 2^222615552 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 222615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312530400).

222615552 is an abundant number, since it is smaller than the sum of its proper divisors (402445248).

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

222615552 is a wasteful number, since it uses less digits than its factorization.

222615552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1931 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 222615552 is about 14920.3066992606. The cubic root of 222615552 is about 606.0640174612.

The spelling of 222615552 in words is "two hundred twenty-two million, six hundred fifteen thousand, five hundred fifty-two".