221422052623650 has 96 divisors (see below), whose sum is σ = 578102959042560. Its totient is φ = 55930957888320.

The previous prime is 221422052623649. The next prime is 221422052623661. The reversal of 221422052623650 is 56326250224122.

It is a Curzon 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, 16994647 + ... + 27049253.

It is an arithmetic number, because the mean of its divisors is an integer number (6021905823360).

Almost surely, 2^{221422052623650} is an apocalyptic number.

221422052623650 is an abundant number, since it is smaller than the sum of its proper divisors (356680906418910).

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

221422052623650 is a wasteful number, since it uses less digits than its factorization.

221422052623650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062368 (or 10062363 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 221422052623650 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-two million, six hundred twenty-three thousand, six hundred fifty".