622225156 has 12 divisors (see below), whose sum is σ = 1244450368. Its totient is φ = 266667912.

The previous prime is 622225147. The next prime is 622225159. The reversal of 622225156 is 651522226.

It is a happy number.

622225156 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (622225159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11111136 + ... + 11111191.

Almost surely, 2^622225156 is an apocalyptic number.

It is an amenable number.

622225156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

622225156 is a wasteful number, since it uses less digits than its factorization.

622225156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222338 (or 22222336 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 622225156 is about 24944.4413848056. The cubic root of 622225156 is about 853.7207850853.

The spelling of 622225156 in words is "six hundred twenty-two million, two hundred twenty-five thousand, one hundred fifty-six".