772216233 has 16 divisors (see below), whose sum is σ = 1059003456. Its totient is φ = 500160960.

The previous prime is 772216217. The next prime is 772216241. The reversal of 772216233 is 332612277.

It is not a de Polignac number, because 772216233 - 2⁴ = 772216217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 772216194 and 772216203.

It is not an unprimeable number, because it can be changed into a prime (772216253) 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, 76618 + ... + 86108.

It is an arithmetic number, because the mean of its divisors is an integer number (66187716).

Almost surely, 2^772216233 is an apocalyptic number.

It is an amenable number.

772216233 is a deficient number, since it is larger than the sum of its proper divisors (286787223).

772216233 is a wasteful number, since it uses less digits than its factorization.

772216233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10264.

The product of its digits is 21168, while the sum is 33.

The square root of 772216233 is about 27788.7789044427. The cubic root of 772216233 is about 917.4441637327. Note that the first 3 decimals are identical.

The spelling of 772216233 in words is "seven hundred seventy-two million, two hundred sixteen thousand, two hundred thirty-three".