22294394553 has 12 divisors (see below), whose sum is σ = 31291960560. Its totient is φ = 14079958272.

The previous prime is 22294394537. The next prime is 22294394579. The reversal of 22294394553 is 35549349222.

It is not a de Polignac number, because 22294394553 - 2⁴ = 22294394537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22294394503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117401 + ... + 1137177.

It is an arithmetic number, because the mean of its divisors is an integer number (2607663380).

Almost surely, 2^22294394553 is an apocalyptic number.

It is an amenable number.

22294394553 is a deficient number, since it is larger than the sum of its proper divisors (8997566007).

22294394553 is an frugal number, since it uses more digits than its factorization.

22294394553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39576 (or 19799 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The spelling of 22294394553 in words is "twenty-two billion, two hundred ninety-four million, three hundred ninety-four thousand, five hundred fifty-three".