2297551 has 4 divisors (see below), whose sum is σ = 2301400. Its totient is φ = 2293704.

The previous prime is 2297543. The next prime is 2297573. The reversal of 2297551 is 1557922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2297551 - 2³ = 2297543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (575350).

2^2297551 is an apocalyptic number.

2297551 is a deficient number, since it is larger than the sum of its proper divisors (3849).

2297551 is an equidigital number, since it uses as much as digits as its factorization.

2297551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848.

The product of its digits is 6300, while the sum is 31.

The square root of 2297551 is about 1515.7674623767. The cubic root of 2297551 is about 131.9537448891.

The spelling of 2297551 in words is "two million, two hundred ninety-seven thousand, five hundred fifty-one".