2242388 has 6 divisors (see below), whose sum is σ = 3924186. Its totient is φ = 1121192.

The previous prime is 2242381. The next prime is 2242433. The reversal of 2242388 is 8832422.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 315844 = 1388^2 + 562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2242388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280295 + ... + 280302.

It is an arithmetic number, because the mean of its divisors is an integer number (654031).

2^2242388 is an apocalyptic number.

It is an amenable number.

2242388 is a deficient number, since it is larger than the sum of its proper divisors (1681798).

2242388 is a wasteful number, since it uses less digits than its factorization.

2242388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560601 (or 560599 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2242388 is about 1497.4605170087. The cubic root of 2242388 is about 130.8891317658.

The spelling of 2242388 in words is "two million, two hundred forty-two thousand, three hundred eighty-eight".