422332431034442 has 4 divisors (see below), whose sum is σ = 633498646551666. Its totient is φ = 211166215517220.

The previous prime is 422332431034403. The next prime is 422332431034499. The reversal of 422332431034442 is 244430134233224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262050728856361 + 160281702178081 = 16187981^2 + 12660241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 422332431034442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105583107758609 + ... + 105583107758612.

Almost surely, 2^{422332431034442} is an apocalyptic number.

422332431034442 is a deficient number, since it is larger than the sum of its proper divisors (211166215517224).

422332431034442 is a wasteful number, since it uses less digits than its factorization.

422332431034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211166215517223.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 422332431034442 its reverse (244430134233224), we get a palindrome (666762565267666).

The spelling of 422332431034442 in words is "four hundred twenty-two trillion, three hundred thirty-two billion, four hundred thirty-one million, thirty-four thousand, four hundred forty-two".