22250243461545 has 48 divisors (see below), whose sum is σ = 42073720026624. Its totient is φ = 10787860320000.

The previous prime is 22250243461519. The next prime is 22250243461603. The reversal of 22250243461545 is 54516434205222.

22250243461545 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 0 + 2 + 43 + 4 + 61 + 545 = 666.

It is not a de Polignac number, because 22250243461545 - 2¹¹ = 22250243459497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22250243461545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46709320 + ... + 47183270.

It is an arithmetic number, because the mean of its divisors is an integer number (876535833888).

Almost surely, 2^{22250243461545} is an apocalyptic number.

It is an amenable number.

22250243461545 is a deficient number, since it is larger than the sum of its proper divisors (19823476565079).

22250243461545 is a wasteful number, since it uses less digits than its factorization.

22250243461545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568814 (or 568811 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 22250243461545 its reverse (54516434205222), we get a palindrome (76766677666767).

The spelling of 22250243461545 in words is "twenty-two trillion, two hundred fifty billion, two hundred forty-three million, four hundred sixty-one thousand, five hundred forty-five".