22696777551 has 8 divisors (see below), whose sum is σ = 34585565824. Its totient is φ = 12969587160.

The previous prime is 22696777549. The next prime is 22696777559. The reversal of 22696777551 is 15577769622.

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

It is not a de Polignac number, because 22696777551 - 2¹ = 22696777549 is a prime.

It is a super-2 number, since 2×22696777551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22696777491 and 22696777500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22696777559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540399445 + ... + 540399486.

It is an arithmetic number, because the mean of its divisors is an integer number (4323195728).

Almost surely, 2^22696777551 is an apocalyptic number.

22696777551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22696777551 is a deficient number, since it is larger than the sum of its proper divisors (11888788273).

22696777551 is a wasteful number, since it uses less digits than its factorization.

22696777551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080798941.

The product of its digits is 11113200, while the sum is 57.

The spelling of 22696777551 in words is "twenty-two billion, six hundred ninety-six million, seven hundred seventy-seven thousand, five hundred fifty-one".