2297478 has 32 divisors (see below), whose sum is σ = 4815360. Its totient is φ = 730080.

The previous prime is 2297473. The next prime is 2297479. The reversal of 2297478 is 8747922.

Its product of digits (56448) is a multiple of the sum of its prime divisors (252).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17473 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (150480).

2^2297478 is an apocalyptic number.

2297478 is an abundant number, since it is smaller than the sum of its proper divisors (2517882).

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

2297478 is a wasteful number, since it uses less digits than its factorization.

2297478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 56448, while the sum is 39.

The square root of 2297478 is about 1515.7433819747. The cubic root of 2297478 is about 131.9523473539.

It can be divided in two parts, 2297 and 478, that added together give a triangular number (2775 = T₇₄).

The spelling of 2297478 in words is "two million, two hundred ninety-seven thousand, four hundred seventy-eight".