222515553 has 8 divisors (see below), whose sum is σ = 319509568. Its totient is φ = 136932624.

The previous prime is 222515539. The next prime is 222515561. The reversal of 222515553 is 355515222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-222515553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222515553.

It is not an unprimeable number, because it can be changed into a prime (222515353) 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, 2852725 + ... + 2852802.

It is an arithmetic number, because the mean of its divisors is an integer number (39938696).

Almost surely, 2^222515553 is an apocalyptic number.

It is an amenable number.

222515553 is a deficient number, since it is larger than the sum of its proper divisors (96994015).

222515553 is a wasteful number, since it uses less digits than its factorization.

222515553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705543.

The product of its digits is 15000, while the sum is 30.

The square root of 222515553 is about 14916.9552188106. The cubic root of 222515553 is about 605.9732557989.

The spelling of 222515553 in words is "two hundred twenty-two million, five hundred fifteen thousand, five hundred fifty-three".