222813555 has 16 divisors (see below), whose sum is σ = 357173664. Its totient is φ = 118609920.

The previous prime is 222813553. The next prime is 222813599. The reversal of 222813555 is 555318222.

It is not a de Polignac number, because 222813555 - 2¹ = 222813553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222813553) 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, 5614 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (22323354).

Almost surely, 2^222813555 is an apocalyptic number.

222813555 is a deficient number, since it is larger than the sum of its proper divisors (134360109).

222813555 is a wasteful number, since it uses less digits than its factorization.

222813555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28006.

The product of its digits is 24000, while the sum is 33.

The square root of 222813555 is about 14926.9405773588. The cubic root of 222813555 is about 606.2436499140.

The spelling of 222813555 in words is "two hundred twenty-two million, eight hundred thirteen thousand, five hundred fifty-five".