402242119 has 4 divisors (see below), whose sum is σ = 402436944. Its totient is φ = 402047296.

The previous prime is 402242107. The next prime is 402242129. The reversal of 402242119 is 911242204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402242119 is a prime.

It is a super-2 number, since 2×402242119² = 323597444595220322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402242093 and 402242102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402242129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94282 + ... + 98455.

It is an arithmetic number, because the mean of its divisors is an integer number (100609236).

Almost surely, 2^402242119 is an apocalyptic number.

402242119 is a deficient number, since it is larger than the sum of its proper divisors (194825).

402242119 is a wasteful number, since it uses less digits than its factorization.

402242119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194824.

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

The square root of 402242119 is about 20055.9746459752. The cubic root of 402242119 is about 738.1804083246.

The spelling of 402242119 in words is "four hundred two million, two hundred forty-two thousand, one hundred nineteen".