15422615794220 has 12 divisors (see below), whose sum is σ = 32387493167904. Its totient is φ = 6169046317680.

The previous prime is 15422615794211. The next prime is 15422615794237. The reversal of 15422615794220 is 2249751622451.

It is a super-2 number, since 2×15422615794220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385565394836 + ... + 385565394875.

It is an arithmetic number, because the mean of its divisors is an integer number (2698957763992).

Almost surely, 2^{15422615794220} is an apocalyptic number.

15422615794220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15422615794220 is an abundant number, since it is smaller than the sum of its proper divisors (16964877373684).

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

15422615794220 is a wasteful number, since it uses less digits than its factorization.

15422615794220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771130789720 (or 771130789718 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 15422615794220 in words is "fifteen trillion, four hundred twenty-two billion, six hundred fifteen million, seven hundred ninety-four thousand, two hundred twenty".