86222207226820 has 72 divisors (see below), whose sum is σ = 211047280605504. Its totient is φ = 29503128279744.

The previous prime is 86222207226773. The next prime is 86222207226839. The reversal of 86222207226820 is 2862270222268.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86964162 + ... + 87950041.

It is an arithmetic number, because the mean of its divisors is an integer number (2931212230632).

Almost surely, 2^{86222207226820} is an apocalyptic number.

It is an amenable number.

86222207226820 is an abundant number, since it is smaller than the sum of its proper divisors (124825073378684).

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

86222207226820 is a wasteful number, since it uses less digits than its factorization.

86222207226820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174914729 (or 174914720 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 86222207226820 in words is "eighty-six trillion, two hundred twenty-two billion, two hundred seven million, two hundred twenty-six thousand, eight hundred twenty".