221422053150561 has 16 divisors (see below), whose sum is σ = 302467044999168. Its totient is φ = 143996760835200.

The previous prime is 221422053150553. The next prime is 221422053150607. The reversal of 221422053150561 is 165051350224122.

It is not a de Polignac number, because 221422053150561 - 2³ = 221422053150553 is a prime.

It is a super-2 number, since 2×221422053150561² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221422053150511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108880146 + ... + 110895131.

It is an arithmetic number, because the mean of its divisors is an integer number (18904190312448).

Almost surely, 2^{221422053150561} is an apocalyptic number.

It is an amenable number.

221422053150561 is a deficient number, since it is larger than the sum of its proper divisors (81044991848607).

221422053150561 is a wasteful number, since it uses less digits than its factorization.

221422053150561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219783512.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 221422053150561 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-three million, one hundred fifty thousand, five hundred sixty-one".