655115622 has 48 divisors (see below), whose sum is σ = 1547364096. Its totient is φ = 181126800.

The previous prime is 655115603. The next prime is 655115633. The reversal of 655115622 is 226511556.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32247 + ... + 48477.

It is an arithmetic number, because the mean of its divisors is an integer number (32236752).

Almost surely, 2^655115622 is an apocalyptic number.

655115622 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 655115622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773682048).

655115622 is an abundant number, since it is smaller than the sum of its proper divisors (892248474).

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

655115622 is a wasteful number, since it uses less digits than its factorization.

655115622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305 (or 16274 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 655115622 is about 25595.2265471513. The cubic root of 655115622 is about 868.5056577503.

The spelling of 655115622 in words is "six hundred fifty-five million, one hundred fifteen thousand, six hundred twenty-two".