30422256402 has 32 divisors (see below), whose sum is σ = 62981056512. Its totient is φ = 9788978304.

The previous prime is 30422256343. The next prime is 30422256407. The reversal of 30422256402 is 20465222403.

It is a self number, because there is not a number n which added to its sum of digits gives 30422256402.

It is not an unprimeable number, because it can be changed into a prime (30422256407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511323 + ... + 567710.

It is an arithmetic number, because the mean of its divisors is an integer number (1968158016).

Almost surely, 2^30422256402 is an apocalyptic number.

30422256402 is an abundant number, since it is smaller than the sum of its proper divisors (32558800110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30422256402 is a wasteful number, since it uses less digits than its factorization.

30422256402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079202.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 30422256402 its reverse (20465222403), we get a palindrome (50887478805).

The spelling of 30422256402 in words is "thirty billion, four hundred twenty-two million, two hundred fifty-six thousand, four hundred two".