22445204013442 has 16 divisors (see below), whose sum is σ = 38478505034880. Its totient is φ = 9619120038528.

The previous prime is 22445204013431. The next prime is 22445204013443. The reversal of 22445204013442 is 24431040254422.

It is not an unprimeable number, because it can be changed into a prime (22445204013443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20540943 + ... + 21606034.

It is an arithmetic number, because the mean of its divisors is an integer number (2404906564680).

Almost surely, 2^{22445204013442} is an apocalyptic number.

22445204013442 is a deficient number, since it is larger than the sum of its proper divisors (16033301021438).

22445204013442 is a wasteful number, since it uses less digits than its factorization.

22445204013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185025.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 22445204013442 its reverse (24431040254422), we get a palindrome (46876244267864).

The spelling of 22445204013442 in words is "twenty-two trillion, four hundred forty-five billion, two hundred four million, thirteen thousand, four hundred forty-two".