2399722 has 8 divisors (see below), whose sum is σ = 3876516. Its totient is φ = 1107552.

The previous prime is 2399717. The next prime is 2399753. The reversal of 2399722 is 2279932.

It can be written as a sum of positive squares in 2 ways, for example, as 1962801 + 436921 = 1401^2 + 661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46123 + ... + 46174.

2^2399722 is an apocalyptic number.

2399722 is a deficient number, since it is larger than the sum of its proper divisors (1476794).

2399722 is a wasteful number, since it uses less digits than its factorization.

2399722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92312.

The product of its digits is 13608, while the sum is 34.

The square root of 2399722 is about 1549.1036117704. The cubic root of 2399722 is about 133.8814203068.

The spelling of 2399722 in words is "two million, three hundred ninety-nine thousand, seven hundred twenty-two".