408822131 has 2 divisors, whose sum is σ = 408822132. Its totient is φ = 408822130.

The previous prime is 408822101. The next prime is 408822143. The reversal of 408822131 is 131228804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408822131 - 2⁶ = 408822067 is a prime.

It is a super-2 number, since 2×408822131² = 334271069590762322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 408822094 and 408822103.

It is not a weakly prime, because it can be changed into another prime (408822101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204411065 + 204411066.

It is an arithmetic number, because the mean of its divisors is an integer number (204411066).

Almost surely, 2^408822131 is an apocalyptic number.

408822131 is a deficient number, since it is larger than the sum of its proper divisors (1).

408822131 is an equidigital number, since it uses as much as digits as its factorization.

408822131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 408822131 is about 20219.3504099415. The cubic root of 408822131 is about 742.1837920149.

The spelling of 408822131 in words is "four hundred eight million, eight hundred twenty-two thousand, one hundred thirty-one".