772211131 has 8 divisors (see below), whose sum is σ = 811125504. Its totient is φ = 733741800.

The previous prime is 772211093. The next prime is 772211149. The reversal of 772211131 is 131112277.

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 772211131 - 2⁷ = 772211003 is a prime.

It is a super-2 number, since 2×772211131² = 1192620061680598322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772211096 and 772211105.

It is not an unprimeable number, because it can be changed into a prime (772211161) 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, 107701 + ... + 114646.

It is an arithmetic number, because the mean of its divisors is an integer number (101390688).

Almost surely, 2^772211131 is an apocalyptic number.

772211131 is a deficient number, since it is larger than the sum of its proper divisors (38914373).

772211131 is a wasteful number, since it uses less digits than its factorization.

772211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222521.

The product of its digits is 588, while the sum is 25.

The square root of 772211131 is about 27788.6871046475. The cubic root of 772211131 is about 917.4421432234.

The spelling of 772211131 in words is "seven hundred seventy-two million, two hundred eleven thousand, one hundred thirty-one".