2391155622 has 12 divisors (see below), whose sum is σ = 5180837220. Its totient is φ = 797051868.

The previous prime is 2391155617. The next prime is 2391155651. The reversal of 2391155622 is 2265511932.

It is a happy number.

2391155622 is a `hidden beast` number, since 2 + 3 + 91 + 1 + 5 + 562 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66420972 + ... + 66421007.

It is an arithmetic number, because the mean of its divisors is an integer number (431736435).

Almost surely, 2^2391155622 is an apocalyptic number.

2391155622 is an abundant number, since it is smaller than the sum of its proper divisors (2789681598).

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

2391155622 is a wasteful number, since it uses less digits than its factorization.

2391155622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132841987 (or 132841984 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2391155622 is about 48899.4439845690. The cubic root of 2391155622 is about 1337.2192318563.

The spelling of 2391155622 in words is "two billion, three hundred ninety-one million, one hundred fifty-five thousand, six hundred twenty-two".