216772220419 has 8 divisors (see below), whose sum is σ = 217412881920. Its totient is φ = 216131764296.

The previous prime is 216772220393. The next prime is 216772220471. The reversal of 216772220419 is 914022277612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216772220419 - 2⁵ = 216772220387 is a prime.

It is a super-2 number, since 2×216772220419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216772220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209012 + ... + 2305054.

It is an arithmetic number, because the mean of its divisors is an integer number (27176610240).

Almost surely, 2^216772220419 is an apocalyptic number.

216772220419 is a deficient number, since it is larger than the sum of its proper divisors (640661501).

216772220419 is an equidigital number, since it uses as much as digits as its factorization.

216772220419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102689.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 216772220419 in words is "two hundred sixteen billion, seven hundred seventy-two million, two hundred twenty thousand, four hundred nineteen".