422344140402 has 16 divisors (see below), whose sum is σ = 844755753312. Its totient is φ = 140770134720.

The previous prime is 422344140397. The next prime is 422344140437. The reversal of 422344140402 is 204041443224.

It is a self number, because there is not a number n which added to its sum of digits gives 422344140402.

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, 2729799 + ... + 2880362.

It is an arithmetic number, because the mean of its divisors is an integer number (52797234582).

Almost surely, 2^422344140402 is an apocalyptic number.

422344140402 is an abundant number, since it is smaller than the sum of its proper divisors (422411612910).

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

422344140402 is a wasteful number, since it uses less digits than its factorization.

422344140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622713.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 422344140402 its reverse (204041443224), we get a palindrome (626385583626).

The spelling of 422344140402 in words is "four hundred twenty-two billion, three hundred forty-four million, one hundred forty thousand, four hundred two".