22365435261 has 16 divisors (see below), whose sum is σ = 32897753280. Its totient is φ = 13427652480.

The previous prime is 22365435247. The next prime is 22365435271. The reversal of 22365435261 is 16253456322.

It is not a de Polignac number, because 22365435261 - 2²⁶ = 22298326397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22365435271) 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, 6991971 + ... + 6995168.

It is an arithmetic number, because the mean of its divisors is an integer number (2056109580).

Almost surely, 2^22365435261 is an apocalyptic number.

It is an amenable number.

22365435261 is a deficient number, since it is larger than the sum of its proper divisors (10532318019).

22365435261 is a wasteful number, since it uses less digits than its factorization.

22365435261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987196.

The product of its digits is 259200, while the sum is 39.

The spelling of 22365435261 in words is "twenty-two billion, three hundred sixty-five million, four hundred thirty-five thousand, two hundred sixty-one".