222151622 has 32 divisors (see below), whose sum is σ = 416586240. Its totient is φ = 86316480.

The previous prime is 222151609. The next prime is 222151627. The reversal of 222151622 is 226151222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222151627) 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, 61223 + ... + 64749.

It is an arithmetic number, because the mean of its divisors is an integer number (13018320).

Almost surely, 2^222151622 is an apocalyptic number.

222151622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222151622 is a deficient number, since it is larger than the sum of its proper divisors (194434618).

222151622 is a wasteful number, since it uses less digits than its factorization.

222151622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956.

The product of its digits is 960, while the sum is 23.

The square root of 222151622 is about 14904.7516584477. The cubic root of 222151622 is about 605.6427129244.

The spelling of 222151622 in words is "two hundred twenty-two million, one hundred fifty-one thousand, six hundred twenty-two".