22445140354243 has 16 divisors (see below), whose sum is σ = 24214544481600. Its totient is φ = 20725659375616.

The previous prime is 22445140354229. The next prime is 22445140354249. The reversal of 22445140354243 is 34245304154422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22445140354243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22445140354243.

It is not an unprimeable number, because it can be changed into a prime (22445140354249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32635371 + ... + 33316027.

It is an arithmetic number, because the mean of its divisors is an integer number (1513409030100).

Almost surely, 2^{22445140354243} is an apocalyptic number.

22445140354243 is a deficient number, since it is larger than the sum of its proper divisors (1769404127357).

22445140354243 is a wasteful number, since it uses less digits than its factorization.

22445140354243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717326.

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 22445140354243 in words is "twenty-two trillion, four hundred forty-five billion, one hundred forty million, three hundred fifty-four thousand, two hundred forty-three".