22023321140442 has 32 divisors (see below), whose sum is σ = 44122387843584. Its totient is φ = 7328484532800.

The previous prime is 22023321140363. The next prime is 22023321140461. The reversal of 22023321140442 is 24404112332022.

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, 52019092 + ... + 52440752.

It is an arithmetic number, because the mean of its divisors is an integer number (1378824620112).

Almost surely, 2^{22023321140442} is an apocalyptic number.

22023321140442 is an abundant number, since it is smaller than the sum of its proper divisors (22099066703142).

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

22023321140442 is a wasteful number, since it uses less digits than its factorization.

22023321140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436614.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22023321140442 its reverse (24404112332022), we get a palindrome (46427433472464).

The spelling of 22023321140442 in words is "twenty-two trillion, twenty-three billion, three hundred twenty-one million, one hundred forty thousand, four hundred forty-two".