221422606612052 has 24 divisors (see below), whose sum is σ = 388277332346400. Its totient is φ = 110486255629536.

The previous prime is 221422606612037. The next prime is 221422606612057. The reversal of 221422606612052 is 250216606224122.

It is a super-3 number, since 3×221422606612052³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422606612057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26191199 + ... + 33597977.

It is an arithmetic number, because the mean of its divisors is an integer number (16178222181100).

Almost surely, 2^{221422606612052} is an apocalyptic number.

It is an amenable number.

221422606612052 is a deficient number, since it is larger than the sum of its proper divisors (166854725734348).

221422606612052 is a wasteful number, since it uses less digits than its factorization.

221422606612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421975 (or 7421973 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 221422606612052 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, six hundred six million, six hundred twelve thousand, fifty-two".