22478901247790 has 32 divisors (see below), whose sum is σ = 43695862983360. Its totient is φ = 8276782477824.

The previous prime is 22478901247727. The next prime is 22478901247867. The reversal of 22478901247790 is 9774210987422.

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, 240781499 + ... + 240874838.

It is an arithmetic number, because the mean of its divisors is an integer number (1365495718230).

Almost surely, 2^{22478901247790} is an apocalyptic number.

22478901247790 is a deficient number, since it is larger than the sum of its proper divisors (21216961735570).

22478901247790 is a wasteful number, since it uses less digits than its factorization.

22478901247790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481656716.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 22478901247790 in words is "twenty-two trillion, four hundred seventy-eight billion, nine hundred one million, two hundred forty-seven thousand, seven hundred ninety".