22494988969 has 4 divisors (see below), whose sum is σ = 22517552644. Its totient is φ = 22472425296.

The previous prime is 22494988939. The next prime is 22494988973. The reversal of 22494988969 is 96988949422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14330962944 + 8164026025 = 119712^2 + 90355^2 .

It is a cyclic number.

It is not a de Polignac number, because 22494988969 - 2⁵ = 22494988937 is a prime.

It is a super-2 number, since 2×22494988969² (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 = 22494988898 and 22494988907.

It is not an unprimeable number, because it can be changed into a prime (22494988939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11280342 + ... + 11282335.

It is an arithmetic number, because the mean of its divisors is an integer number (5629388161).

Almost surely, 2^22494988969 is an apocalyptic number.

It is an amenable number.

22494988969 is a deficient number, since it is larger than the sum of its proper divisors (22563675).

22494988969 is an equidigital number, since it uses as much as digits as its factorization.

22494988969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22563674.

The product of its digits is 161243136, while the sum is 70.

The spelling of 22494988969 in words is "twenty-two billion, four hundred ninety-four million, nine hundred eighty-eight thousand, nine hundred sixty-nine".