402301222 has 16 divisors (see below), whose sum is σ = 629928432. Its totient is φ = 192503520.

The previous prime is 402301189. The next prime is 402301391. The reversal of 402301222 is 222103204.

It is a junction number, because it is equal to n+sod(n) for n = 402301196 and 402301205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40048 + ... + 49075.

It is an arithmetic number, because the mean of its divisors is an integer number (39370527).

Almost surely, 2^402301222 is an apocalyptic number.

402301222 is a deficient number, since it is larger than the sum of its proper divisors (227627210).

402301222 is a wasteful number, since it uses less digits than its factorization.

402301222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89223.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402301222 is about 20057.4480430587. The cubic root of 402301222 is about 738.2165611274.

Adding to 402301222 its reverse (222103204), we get a palindrome (624404426).

The spelling of 402301222 in words is "four hundred two million, three hundred one thousand, two hundred twenty-two".