422406451 has 2 divisors, whose sum is σ = 422406452. Its totient is φ = 422406450.

The previous prime is 422406433. The next prime is 422406469. The reversal of 422406451 is 154604224.

It is a balanced prime because it is at equal distance from previous prime (422406433) and next prime (422406469).

It is a cyclic number.

It is not a de Polignac number, because 422406451 - 2⁵ = 422406419 is a prime.

It is not a weakly prime, because it can be changed into another prime (422406421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211203225 + 211203226.

It is an arithmetic number, because the mean of its divisors is an integer number (211203226).

Almost surely, 2^422406451 is an apocalyptic number.

422406451 is a deficient number, since it is larger than the sum of its proper divisors (1).

422406451 is an equidigital number, since it uses as much as digits as its factorization.

422406451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 422406451 is about 20552.5290657865. The cubic root of 422406451 is about 750.3148017739.

The spelling of 422406451 in words is "four hundred twenty-two million, four hundred six thousand, four hundred fifty-one".