2492722 has 4 divisors (see below), whose sum is σ = 3739086. Its totient is φ = 1246360.

The previous prime is 2492719. The next prime is 2492729. The reversal of 2492722 is 2272942.

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., 1371241 + 1121481 = 1171^2 + 1059^2 .

It is a d-powerful number, because it can be written as 2¹³ + 4⁵ + 9⁴ + 2¹⁸ + 7⁶ + 2²⁰ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (2492729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623179 + ... + 623182.

2^2492722 is an apocalyptic number.

2492722 is a deficient number, since it is larger than the sum of its proper divisors (1246364).

2492722 is a wasteful number, since it uses less digits than its factorization.

2492722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246363.

The product of its digits is 4032, while the sum is 28.

The square root of 2492722 is about 1578.8356469247. The cubic root of 2492722 is about 135.5890492748.

The spelling of 2492722 in words is "two million, four hundred ninety-two thousand, seven hundred twenty-two".