22098625 has 8 divisors (see below), whose sum is σ = 27579240. Its totient is φ = 17678800.

The previous prime is 22098613. The next prime is 22098641. The reversal of 22098625 is 52689022.

It can be written as a sum of positive squares in 4 ways, for example, as 3470769 + 18627856 = 1863^2 + 4316^2 .

It is not a de Polignac number, because 22098625 - 2¹¹ = 22096577 is a prime.

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, 88270 + ... + 88519.

It is an arithmetic number, because the mean of its divisors is an integer number (3447405).

Almost surely, 2^22098625 is an apocalyptic number.

22098625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22098625 is a deficient number, since it is larger than the sum of its proper divisors (5480615).

22098625 is an equidigital number, since it uses as much as digits as its factorization.

22098625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176804 (or 176794 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 22098625 is about 4700.9174636447. The cubic root of 22098625 is about 280.6220227593.

The spelling of 22098625 in words is "twenty-two million, ninety-eight thousand, six hundred twenty-five".