402245422 has 8 divisors (see below), whose sum is σ = 608708016. Its totient is φ = 199342752.

The previous prime is 402245419. The next prime is 402245453. The reversal of 402245422 is 224542204.

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 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, 889698 + ... + 890149.

It is an arithmetic number, because the mean of its divisors is an integer number (76088502).

Almost surely, 2^402245422 is an apocalyptic number.

402245422 is a deficient number, since it is larger than the sum of its proper divisors (206462594).

402245422 is a wasteful number, since it uses less digits than its factorization.

402245422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779962.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 402245422 is about 20056.0569903458. The cubic root of 402245422 is about 738.1824288351.

Adding to 402245422 its reverse (224542204), we get a palindrome (626787626).

The spelling of 402245422 in words is "four hundred two million, two hundred forty-five thousand, four hundred twenty-two".