22777504797 has 8 divisors (see below), whose sum is σ = 30370754944. Its totient is φ = 15184628928.

The previous prime is 22777504793. The next prime is 22777504801. The reversal of 22777504797 is 79740577722.

It is an interprime number because it is at equal distance from previous prime (22777504793) and next prime (22777504801).

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

It is not a de Polignac number, because 22777504797 - 2² = 22777504793 is a prime.

It is a super-2 number, since 2×22777504797² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22777504793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114588 + ... + 242250.

It is an arithmetic number, because the mean of its divisors is an integer number (3796344368).

Almost surely, 2^22777504797 is an apocalyptic number.

It is an amenable number.

22777504797 is a deficient number, since it is larger than the sum of its proper divisors (7593250147).

22777504797 is a wasteful number, since it uses less digits than its factorization.

22777504797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187139.

The product of its (nonzero) digits is 12101040, while the sum is 57.

The spelling of 22777504797 in words is "twenty-two billion, seven hundred seventy-seven million, five hundred four thousand, seven hundred ninety-seven".