2199900825 has 36 divisors (see below), whose sum is σ = 3944731648. Its totient is φ = 1171951200.

The previous prime is 2199900817. The next prime is 2199900851. The reversal of 2199900825 is 5280099912.

2199900825 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2199900825 - 2³ = 2199900817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212520 + ... + 222630.

Almost surely, 2^2199900825 is an apocalyptic number.

2199900825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2199900825 is a deficient number, since it is larger than the sum of its proper divisors (1744830823).

2199900825 is a wasteful number, since it uses less digits than its factorization.

2199900825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094 (or 11086 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 2199900825 is about 46903.1003772672. The cubic root of 2199900825 is about 1300.5719032006.

The spelling of 2199900825 in words is "two billion, one hundred ninety-nine million, nine hundred thousand, eight hundred twenty-five".