2221651151622 has 64 divisors (see below), whose sum is σ = 5647480381440. Its totient is φ = 634173401088.

The previous prime is 2221651151579. The next prime is 2221651151623. The reversal of 2221651151622 is 2261511561222.

2221651151622 is a `hidden beast` number, since 2 + 2 + 2 + 16 + 5 + 1 + 15 + 1 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221651151623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292603 + ... + 3114374.

It is an arithmetic number, because the mean of its divisors is an integer number (88241880960).

Almost surely, 2^{2221651151622} is an apocalyptic number.

2221651151622 is an abundant number, since it is smaller than the sum of its proper divisors (3425829229818).

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

2221651151622 is a wasteful number, since it uses less digits than its factorization.

2221651151622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408082 (or 5408076 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 2221651151622 in words is "two trillion, two hundred twenty-one billion, six hundred fifty-one million, one hundred fifty-one thousand, six hundred twenty-two".