402234422 has 8 divisors (see below), whose sum is σ = 605280216. Its totient is φ = 200474352.

The previous prime is 402234407. The next prime is 402234431. The reversal of 402234422 is 224432204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320648 + ... + 321899.

It is an arithmetic number, because the mean of its divisors is an integer number (75660027).

Almost surely, 2^402234422 is an apocalyptic number.

402234422 is a deficient number, since it is larger than the sum of its proper divisors (203045794).

402234422 is a wasteful number, since it uses less digits than its factorization.

402234422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642862.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 402234422 is about 20055.7827571003. The cubic root of 402234422 is about 738.1756998745.

Adding to 402234422 its reverse (224432204), we get a palindrome (626666626).

The spelling of 402234422 in words is "four hundred two million, two hundred thirty-four thousand, four hundred twenty-two".