402122419 has 2 divisors, whose sum is σ = 402122420. Its totient is φ = 402122418.

The previous prime is 402122387. The next prime is 402122533. The reversal of 402122419 is 914221204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402122419 - 2⁵ = 402122387 is a prime.

It is a super-2 number, since 2×402122419² = 323404879724823122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402122393 and 402122402.

It is not a weakly prime, because it can be changed into another prime (402120419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201061209 + 201061210.

It is an arithmetic number, because the mean of its divisors is an integer number (201061210).

Almost surely, 2^402122419 is an apocalyptic number.

402122419 is a deficient number, since it is larger than the sum of its proper divisors (1).

402122419 is an equidigital number, since it uses as much as digits as its factorization.

402122419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 402122419 is about 20052.9902757669. The cubic root of 402122419 is about 738.1071780015.

The spelling of 402122419 in words is "four hundred two million, one hundred twenty-two thousand, four hundred nineteen".