22669950491 has 32 divisors (see below), whose sum is σ = 24789408000. Its totient is φ = 20663382528.

The previous prime is 22669950481. The next prime is 22669950553. The reversal of 22669950491 is 19405996622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22669950491 - 2⁶ = 22669950427 is a prime.

It is a super-2 number, since 2×22669950491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22669950481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11373791 + ... + 11375783.

It is an arithmetic number, because the mean of its divisors is an integer number (774669000).

Almost surely, 2^22669950491 is an apocalyptic number.

22669950491 is a deficient number, since it is larger than the sum of its proper divisors (2119457509).

22669950491 is a wasteful number, since it uses less digits than its factorization.

22669950491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 22669950491 in words is "twenty-two billion, six hundred sixty-nine million, nine hundred fifty thousand, four hundred ninety-one".