22772775321 has 16 divisors (see below), whose sum is σ = 34143923520. Its totient is φ = 14998934880.

The previous prime is 22772775313. The next prime is 22772775329. The reversal of 22772775321 is 12357727722.

22772775321 is a `hidden beast` number, since 22 + 77 + 27 + 7 + 532 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (22772775313) and next prime (22772775329).

It is not a de Polignac number, because 22772775321 - 2³ = 22772775313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22772775329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5078700 + ... + 5083181.

It is an arithmetic number, because the mean of its divisors is an integer number (2133995220).

Almost surely, 2^22772775321 is an apocalyptic number.

It is an amenable number.

22772775321 is a deficient number, since it is larger than the sum of its proper divisors (11371148199).

22772775321 is a wasteful number, since it uses less digits than its factorization.

22772775321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161973 (or 10161967 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The spelling of 22772775321 in words is "twenty-two billion, seven hundred seventy-two million, seven hundred seventy-five thousand, three hundred twenty-one".