221700406513404 has 48 divisors (see below), whose sum is σ = 636678090503168. Its totient is φ = 58470436882368.

The previous prime is 221700406513367. The next prime is 221700406513451. The reversal of 221700406513404 is 404315604007122.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 101511174052 + ... + 101511176235.

Almost surely, 2^{221700406513404} is an apocalyptic number.

It is an amenable number.

221700406513404 is an abundant number, since it is smaller than the sum of its proper divisors (414977683989764).

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

221700406513404 is a wasteful number, since it uses less digits than its factorization.

221700406513404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203022350314 (or 203022350312 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 221700406513404 in words is "two hundred twenty-one trillion, seven hundred billion, four hundred six million, five hundred thirteen thousand, four hundred four".