22247372609 has 32 divisors (see below), whose sum is σ = 29382932736. Its totient is φ = 16307896320.

The previous prime is 22247372603. The next prime is 22247372657. The reversal of 22247372609 is 90627374222.

It is a cyclic number.

It is not a de Polignac number, because 22247372609 - 2⁸ = 22247372353 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22247372609.

It is not an unprimeable number, because it can be changed into a prime (22247372603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4758497 + ... + 4763169.

It is an arithmetic number, because the mean of its divisors is an integer number (918216648).

Almost surely, 2^22247372609 is an apocalyptic number.

It is an amenable number.

22247372609 is a deficient number, since it is larger than the sum of its proper divisors (7135560127).

22247372609 is a wasteful number, since it uses less digits than its factorization.

22247372609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 22247372609 in words is "twenty-two billion, two hundred forty-seven million, three hundred seventy-two thousand, six hundred nine".