22364261 has 4 divisors (see below), whose sum is σ = 22480332. Its totient is φ = 22248192.

The previous prime is 22364239. The next prime is 22364281. The reversal of 22364261 is 16246322.

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 3276100 + 19088161 = 1810^2 + 4369^2 .

It is a cyclic number.

It is not a de Polignac number, because 22364261 - 2¹⁸ = 22102117 is a prime.

It is a super-2 number, since 2×22364261² = 1000320340152242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22364261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22364281) 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, 57746 + ... + 58131.

It is an arithmetic number, because the mean of its divisors is an integer number (5620083).

Almost surely, 2^22364261 is an apocalyptic number.

It is an amenable number.

22364261 is a deficient number, since it is larger than the sum of its proper divisors (116071).

22364261 is a wasteful number, since it uses less digits than its factorization.

22364261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116070.

The product of its digits is 3456, while the sum is 26.

The square root of 22364261 is about 4729.0866982960. The cubic root of 22364261 is about 281.7419507845.

The spelling of 22364261 in words is "twenty-two million, three hundred sixty-four thousand, two hundred sixty-one".