22369261 has 4 divisors (see below), whose sum is σ = 22468032. Its totient is φ = 22270492.

The previous prime is 22369241. The next prime is 22369273. The reversal of 22369261 is 16296322.

22369261 = 194² + 195² + ... + 420².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22369261 - 2²³ = 13980653 is a prime.

It is a super-2 number, since 2×22369261² = 1000767675372242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22369211) 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, 49045 + ... + 49498.

It is an arithmetic number, because the mean of its divisors is an integer number (5617008).

Almost surely, 2^22369261 is an apocalyptic number.

It is an amenable number.

22369261 is a deficient number, since it is larger than the sum of its proper divisors (98771).

22369261 is an equidigital number, since it uses as much as digits as its factorization.

22369261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98770.

The product of its digits is 7776, while the sum is 31.

The square root of 22369261 is about 4729.6153120523. The cubic root of 22369261 is about 281.7629456623.

The spelling of 22369261 in words is "twenty-two million, three hundred sixty-nine thousand, two hundred sixty-one".