2242730 has 48 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 731808.

The previous prime is 2242729. The next prime is 2242733. The reversal of 2242730 is 372422.

2242730 = 43² + 44² + ... + 189².

It is a happy number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2242733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11171 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

2^2242730 is an apocalyptic number.

2242730 is an abundant number, since it is smaller than the sum of its proper divisors (2682070).

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

2242730 is a wasteful number, since it uses less digits than its factorization.

2242730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2242730 is about 1497.5747059830. The cubic root of 2242730 is about 130.8957856555.

The spelling of 2242730 in words is "two million, two hundred forty-two thousand, seven hundred thirty".