2390722 has 4 divisors (see below), whose sum is σ = 3586086. Its totient is φ = 1195360.

The previous prime is 2390711. The next prime is 2390723. The reversal of 2390722 is 2270932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 22201 = 1539^2 + 149^2 .

It is not an unprimeable number, because it can be changed into a prime (2390723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597679 + ... + 597682.

2^2390722 is an apocalyptic number.

2390722 is a deficient number, since it is larger than the sum of its proper divisors (1195364).

2390722 is a wasteful number, since it uses less digits than its factorization.

2390722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195363.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2390722 is about 1546.1959772293. The cubic root of 2390722 is about 133.7138394690.

The spelling of 2390722 in words is "two million, three hundred ninety thousand, seven hundred twenty-two".