2245971 has 32 divisors (see below), whose sum is σ = 3888640. Its totient is φ = 1119744.

The previous prime is 2245961. The next prime is 2245979. The reversal of 2245971 is 1795422.

It is not a de Polignac number, because 2245971 - 2⁹ = 2245459 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2245979) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4971 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (121520).

2^2245971 is an apocalyptic number.

2245971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2245971 is a deficient number, since it is larger than the sum of its proper divisors (1642669).

2245971 is a wasteful number, since it uses less digits than its factorization.

2245971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 5040, while the sum is 30.

The square root of 2245971 is about 1498.6563982448. The cubic root of 2245971 is about 130.9588084076.

The spelling of 2245971 in words is "two million, two hundred forty-five thousand, nine hundred seventy-one".