22249951250 has 30 divisors (see below), whose sum is σ = 41715196083. Its totient is φ = 8897871000.

The previous prime is 22249951219. The next prime is 22249951267. The reversal of 22249951250 is 5215994222.

It can be written as a sum of positive squares in 3 ways, for example, as 5144188729 + 17105762521 = 71723^2 + 130789^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105475.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22249951198 and 22249951207.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5271641 + ... + 5275859.

Almost surely, 2^22249951250 is an apocalyptic number.

22249951250 is a deficient number, since it is larger than the sum of its proper divisors (19465244833).

22249951250 is an frugal number, since it uses more digits than its factorization.

22249951250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 22249951250 in words is "twenty-two billion, two hundred forty-nine million, nine hundred fifty-one thousand, two hundred fifty".