421225222522124 has 24 divisors (see below), whose sum is σ = 776053379214960. Its totient is φ = 199498890741696.

The previous prime is 421225222522121. The next prime is 421225222522129.

421225222522124 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (421225222522121) 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, 400113107 + ... + 401164490.

It is an arithmetic number, because the mean of its divisors is an integer number (32335557467290).

Almost surely, 2^{421225222522124} is an apocalyptic number.

It is an amenable number.

421225222522124 is a deficient number, since it is larger than the sum of its proper divisors (354828156692836).

421225222522124 is a wasteful number, since it uses less digits than its factorization.

421225222522124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801284537 (or 801284535 counting only the distinct ones).

The product of its digits is 204800, while the sum is 38.

The spelling of 421225222522124 in words is "four hundred twenty-one trillion, two hundred twenty-five billion, two hundred twenty-two million, five hundred twenty-two thousand, one hundred twenty-four".