377228231 has 2 divisors, whose sum is σ = 377228232. Its totient is φ = 377228230.

The previous prime is 377228219. The next prime is 377228237. The reversal of 377228231 is 132822773.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377228231 is a prime.

It is a super-2 number, since 2×377228231² = 284602276526778722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 377228191 and 377228200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377228237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188614115 + 188614116.

It is an arithmetic number, because the mean of its divisors is an integer number (188614116).

Almost surely, 2^377228231 is an apocalyptic number.

377228231 is a deficient number, since it is larger than the sum of its proper divisors (1).

377228231 is an equidigital number, since it uses as much as digits as its factorization.

377228231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 377228231 is about 19422.3641969766. The cubic root of 377228231 is about 722.5502611475.

The spelling of 377228231 in words is "three hundred seventy-seven million, two hundred twenty-eight thousand, two hundred thirty-one".