22251640622 has 8 divisors (see below), whose sum is σ = 34191545472. Its totient is φ = 10854458800.

The previous prime is 22251640597. The next prime is 22251640667. The reversal of 22251640622 is 22604615222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135680654 + ... + 135680817.

It is an arithmetic number, because the mean of its divisors is an integer number (4273943184).

Almost surely, 2^22251640622 is an apocalyptic number.

22251640622 is a deficient number, since it is larger than the sum of its proper divisors (11939904850).

22251640622 is a wasteful number, since it uses less digits than its factorization.

22251640622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271361514.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 22251640622 in words is "twenty-two billion, two hundred fifty-one million, six hundred forty thousand, six hundred twenty-two".