22364405 has 16 divisors (see below), whose sum is σ = 30898560. Its totient is φ = 15221952.

The previous prime is 22364389. The next prime is 22364431. The reversal of 22364405 is 50446322.

It is a cyclic number.

It is not a de Polignac number, because 22364405 - 2⁴ = 22364389 is a prime.

It is a super-2 number, since 2×22364405² = 1000333222008050, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (1931160).

Almost surely, 2^22364405 is an apocalyptic number.

It is an amenable number.

22364405 is a deficient number, since it is larger than the sum of its proper divisors (8534155).

22364405 is a wasteful number, since it uses less digits than its factorization.

22364405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 22364405 is about 4729.1019231985. The cubic root of 22364405 is about 281.7425554807.

The spelling of 22364405 in words is "twenty-two million, three hundred sixty-four thousand, four hundred five".