422451739 has 2 divisors, whose sum is σ = 422451740. Its totient is φ = 422451738.

The previous prime is 422451709. The next prime is 422451749. The reversal of 422451739 is 937154224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422451739 - 2⁵ = 422451707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422451698 and 422451707.

It is not a weakly prime, because it can be changed into another prime (422451709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211225869 + 211225870.

It is an arithmetic number, because the mean of its divisors is an integer number (211225870).

Almost surely, 2^422451739 is an apocalyptic number.

422451739 is a deficient number, since it is larger than the sum of its proper divisors (1).

422451739 is an equidigital number, since it uses as much as digits as its factorization.

422451739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 422451739 is about 20553.6307984745. The cubic root of 422451739 is about 750.3416156340.

The spelling of 422451739 in words is "four hundred twenty-two million, four hundred fifty-one thousand, seven hundred thirty-nine".