2197725 has 12 divisors (see below), whose sum is σ = 3633696. Its totient is φ = 1172080.

The previous prime is 2197703. The next prime is 2197733. The reversal of 2197725 is 5277912.

It is not a de Polignac number, because 2197725 - 2⁵ = 2197693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14577 + ... + 14726.

It is an arithmetic number, because the mean of its divisors is an integer number (302808).

2^2197725 is an apocalyptic number.

2197725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2197725 is a deficient number, since it is larger than the sum of its proper divisors (1435971).

2197725 is a wasteful number, since it uses less digits than its factorization.

2197725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29316 (or 29311 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 2197725 is about 1482.4725967113. The cubic root of 2197725 is about 130.0142982301.

The spelling of 2197725 in words is "two million, one hundred ninety-seven thousand, seven hundred twenty-five".