2247790 has 32 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 827904.

The previous prime is 2247737. The next prime is 2247793. The reversal of 2247790 is 977422.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247793) 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, 6502 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (136890).

2^2247790 is an apocalyptic number.

2247790 is a deficient number, since it is larger than the sum of its proper divisors (2132690).

2247790 is a wasteful number, since it uses less digits than its factorization.

2247790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2247790 is about 1499.2631523518. The cubic root of 2247790 is about 130.9941531489.

The spelling of 2247790 in words is "two million, two hundred forty-seven thousand, seven hundred ninety".