22140717477 has 16 divisors (see below), whose sum is σ = 29674558848. Its totient is φ = 14683806720.

The previous prime is 22140717457. The next prime is 22140717479. The reversal of 22140717477 is 77471704122.

It is not a de Polignac number, because 22140717477 - 2⁶ = 22140717413 is a prime.

It is a super-2 number, since 2×22140717477² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140717479) 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, 695133 + ... + 726285.

It is an arithmetic number, because the mean of its divisors is an integer number (1854659928).

Almost surely, 2^22140717477 is an apocalyptic number.

It is an amenable number.

22140717477 is a deficient number, since it is larger than the sum of its proper divisors (7533841371).

22140717477 is a wasteful number, since it uses less digits than its factorization.

22140717477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32380.

The product of its (nonzero) digits is 153664, while the sum is 42.

The spelling of 22140717477 in words is "twenty-two billion, one hundred forty million, seven hundred seventeen thousand, four hundred seventy-seven".