22378441458 has 16 divisors (see below), whose sum is σ = 44758696320. Its totient is φ = 7459178256.

The previous prime is 22378441439. The next prime is 22378441483. The reversal of 22378441458 is 85414487322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126391 + ... + 246437.

It is an arithmetic number, because the mean of its divisors is an integer number (2797418520).

Almost surely, 2^22378441458 is an apocalyptic number.

22378441458 is an abundant number, since it is smaller than the sum of its proper divisors (22380254862).

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

22378441458 is a wasteful number, since it uses less digits than its factorization.

22378441458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151121.

The product of its digits is 1720320, while the sum is 48.

The spelling of 22378441458 in words is "twenty-two billion, three hundred seventy-eight million, four hundred forty-one thousand, four hundred fifty-eight".