22261518169 has 24 divisors (see below), whose sum is σ = 25796977920. Its totient is φ = 19142940960.

The previous prime is 22261518133. The next prime is 22261518197. The reversal of 22261518169 is 96181516222.

It is not a de Polignac number, because 22261518169 - 2⁹ = 22261517657 is a prime.

It is a super-2 number, since 2×22261518169² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22261518109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549272 + ... + 1563574.

It is an arithmetic number, because the mean of its divisors is an integer number (1074874080).

Almost surely, 2^22261518169 is an apocalyptic number.

It is an amenable number.

22261518169 is a deficient number, since it is larger than the sum of its proper divisors (3535459751).

22261518169 is a wasteful number, since it uses less digits than its factorization.

22261518169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15021 (or 15010 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The spelling of 22261518169 in words is "twenty-two billion, two hundred sixty-one million, five hundred eighteen thousand, one hundred sixty-nine".