221372475319 has 2 divisors, whose sum is σ = 221372475320. Its totient is φ = 221372475318.

The previous prime is 221372475263. The next prime is 221372475329. The reversal of 221372475319 is 913574273122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221372475319 - 2²³ = 221364086711 is a prime.

It is a super-2 number, since 2×221372475319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221372475329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110686237659 + 110686237660.

It is an arithmetic number, because the mean of its divisors is an integer number (110686237660).

Almost surely, 2^221372475319 is an apocalyptic number.

221372475319 is a deficient number, since it is larger than the sum of its proper divisors (1).

221372475319 is an equidigital number, since it uses as much as digits as its factorization.

221372475319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The spelling of 221372475319 in words is "two hundred twenty-one billion, three hundred seventy-two million, four hundred seventy-five thousand, three hundred nineteen".