22423013240442 has 32 divisors (see below), whose sum is σ = 46369176283584. Its totient is φ = 7223886940800.

The previous prime is 22423013240417. The next prime is 22423013240461. The reversal of 22423013240442 is 24404231032422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425910409 + ... + 425963052.

It is an arithmetic number, because the mean of its divisors is an integer number (1449036758862).

Almost surely, 2^{22423013240442} is an apocalyptic number.

22423013240442 is an abundant number, since it is smaller than the sum of its proper divisors (23946163043142).

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

22423013240442 is a wasteful number, since it uses less digits than its factorization.

22423013240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851873614.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22423013240442 its reverse (24404231032422), we get a palindrome (46827244272864).

The spelling of 22423013240442 in words is "twenty-two trillion, four hundred twenty-three billion, thirteen million, two hundred forty thousand, four hundred forty-two".