22515352250 has 16 divisors (see below), whose sum is σ = 42148739880. Its totient is φ = 9006140800.

The previous prime is 22515352231. The next prime is 22515352267. The reversal of 22515352250 is 5225351522.

It can be written as a sum of positive squares in 4 ways, for example, as 926045761 + 21589306489 = 30431^2 + 146933^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45030455 + ... + 45030954.

Almost surely, 2^22515352250 is an apocalyptic number.

22515352250 is a deficient number, since it is larger than the sum of its proper divisors (19633387630).

22515352250 is an equidigital number, since it uses as much as digits as its factorization.

22515352250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90061426 (or 90061416 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 22515352250 in words is "twenty-two billion, five hundred fifteen million, three hundred fifty-two thousand, two hundred fifty".