22023012220442 has 64 divisors (see below), whose sum is σ = 36499921920000. Its totient is φ = 9930001760448.

The previous prime is 22023012220439. The next prime is 22023012220501. The reversal of 22023012220442 is 24402221032022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192621809 + ... + 192736107.

It is an arithmetic number, because the mean of its divisors is an integer number (570311280000).

Almost surely, 2^{22023012220442} is an apocalyptic number.

22023012220442 is a deficient number, since it is larger than the sum of its proper divisors (14476909699558).

22023012220442 is a wasteful number, since it uses less digits than its factorization.

22023012220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117755.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22023012220442 its reverse (24402221032022), we get a palindrome (46425233252464).

The spelling of 22023012220442 in words is "twenty-two trillion, twenty-three billion, twelve million, two hundred twenty thousand, four hundred forty-two".