221422053126765 has 16 divisors (see below), whose sum is σ = 354288466022400. Its totient is φ = 118087367994432.

The previous prime is 221422053126733. The next prime is 221422053126773. The reversal of 221422053126765 is 567621350224122.

It is not a de Polignac number, because 221422053126765 - 2⁵ = 221422053126733 is a prime.

It is a super-2 number, since 2×221422053126765² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

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, 274187950 + ... + 274994319.

It is an arithmetic number, because the mean of its divisors is an integer number (22143029126400).

Almost surely, 2^{221422053126765} is an apocalyptic number.

It is an amenable number.

221422053126765 is a deficient number, since it is larger than the sum of its proper divisors (132866412895635).

221422053126765 is a wasteful number, since it uses less digits than its factorization.

221422053126765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549209156.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 221422053126765 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-three million, one hundred twenty-six thousand, seven hundred sixty-five".