2197359900 has 90 divisors (see below), whose sum is σ = 7122998960. Its totient is φ = 585960480.

The previous prime is 2197359883. The next prime is 2197359917. The reversal of 2197359900 is 99537912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2197359883) and next prime (2197359917).

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 127540 + ... + 143739.

Almost surely, 2^2197359900 is an apocalyptic number.

2197359900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197359900 is an abundant number, since it is smaller than the sum of its proper divisors (4925639060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197359900 is a wasteful number, since it uses less digits than its factorization.

2197359900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271305 (or 271289 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 2197359900 is about 46876.0055892138. The cubic root of 2197359900 is about 1300.0709823175.

The spelling of 2197359900 in words is "two billion, one hundred ninety-seven million, three hundred fifty-nine thousand, nine hundred".