22153396494 has 8 divisors (see below), whose sum is σ = 44306793000. Its totient is φ = 7384465496.

The previous prime is 22153396493. The next prime is 22153396501. The reversal of 22153396494 is 49469335122.

It is a sphenic number, since it is the product of 3 distinct primes.

22153396494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153396493) 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, 1846116369 + ... + 1846116380.

It is an arithmetic number, because the mean of its divisors is an integer number (5538349125).

Almost surely, 2^22153396494 is an apocalyptic number.

22153396494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22153396494 is a wasteful number, since it uses less digits than its factorization.

22153396494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692232754.

The product of its digits is 1399680, while the sum is 48.

The spelling of 22153396494 in words is "twenty-two billion, one hundred fifty-three million, three hundred ninety-six thousand, four hundred ninety-four".