221422057640700 has 144 divisors (see below), whose sum is σ = 733672367629824. Its totient is φ = 50506832275200.

The previous prime is 221422057640611. The next prime is 221422057640737. The reversal of 221422057640700 is 7046750224122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107230971 + ... + 109276370.

Almost surely, 2^{221422057640700} is an apocalyptic number.

221422057640700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221422057640700 is an abundant number, since it is smaller than the sum of its proper divisors (512250309989124).

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

221422057640700 is a wasteful number, since it uses less digits than its factorization.

221422057640700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216507852 (or 216507845 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 221422057640700 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-seven million, six hundred forty thousand, seven hundred".