22615794222 has 16 divisors (see below), whose sum is σ = 51693244032. Its totient is φ = 6461655480.

The previous prime is 22615794209. The next prime is 22615794277. The reversal of 22615794222 is 22249751622.

It is a super-2 number, since 2×22615794222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 538471291 = 22615794222 / (2 + 2 + 6 + 1 + 5 + 7 + 9 + 4 + 2 + 2 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269235604 + ... + 269235687.

It is an arithmetic number, because the mean of its divisors is an integer number (3230827752).

Almost surely, 2^22615794222 is an apocalyptic number.

22615794222 is an abundant number, since it is smaller than the sum of its proper divisors (29077449810).

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

22615794222 is a wasteful number, since it uses less digits than its factorization.

22615794222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538471303.

The product of its digits is 241920, while the sum is 42.

The spelling of 22615794222 in words is "twenty-two billion, six hundred fifteen million, seven hundred ninety-four thousand, two hundred twenty-two".