11222661250 has 20 divisors (see below), whose sum is σ = 21035758590. Its totient is φ = 4489064000.

The previous prime is 11222661217. The next prime is 11222661293. The reversal of 11222661250 is 5216622211.

It can be written as a sum of positive squares in 5 ways, for example, as 1605524761 + 9617136489 = 40069^2 + 98067^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4487815 + ... + 4490314.

Almost surely, 2^11222661250 is an apocalyptic number.

11222661250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222661250 is a deficient number, since it is larger than the sum of its proper divisors (9813097340).

11222661250 is an frugal number, since it uses more digits than its factorization.

11222661250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978151 (or 8978136 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 11222661250 in words is "eleven billion, two hundred twenty-two million, six hundred sixty-one thousand, two hundred fifty".