15220614081486 has 16 divisors (see below), whose sum is σ = 33208612541568. Its totient is φ = 4612307297400.

The previous prime is 15220614081481. The next prime is 15220614081511. The reversal of 15220614081486 is 68418041602251.

It is a super-2 number, since 2×15220614081486² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15220614081481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115307682370 + ... + 115307682501.

It is an arithmetic number, because the mean of its divisors is an integer number (2075538283848).

Almost surely, 2^{15220614081486} is an apocalyptic number.

15220614081486 is an abundant number, since it is smaller than the sum of its proper divisors (17987998460082).

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

15220614081486 is a wasteful number, since it uses less digits than its factorization.

15220614081486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230615364887.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 15220614081486 in words is "fifteen trillion, two hundred twenty billion, six hundred fourteen million, eighty-one thousand, four hundred eighty-six".