22473900394 has 32 divisors (see below), whose sum is σ = 37708130880. Its totient is φ = 10042196560.

The previous prime is 22473900391. The next prime is 22473900401. The reversal of 22473900394 is 49300937422.

It is a self number, because there is not a number n which added to its sum of digits gives 22473900394.

It is not an unprimeable number, because it can be changed into a prime (22473900391) 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, 85512 + ... + 228604.

It is an arithmetic number, because the mean of its divisors is an integer number (1178379090).

Almost surely, 2^22473900394 is an apocalyptic number.

22473900394 is a deficient number, since it is larger than the sum of its proper divisors (15234230486).

22473900394 is a wasteful number, since it uses less digits than its factorization.

22473900394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143187 (or 143165 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 22473900394 in words is "twenty-two billion, four hundred seventy-three million, nine hundred thousand, three hundred ninety-four".