2544722 has 4 divisors (see below), whose sum is σ = 3817086. Its totient is φ = 1272360.

The previous prime is 2544691. The next prime is 2544733. The reversal of 2544722 is 2274452.

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., 2042041 + 502681 = 1429^2 + 709^2 .

It is a super-2 number, since 2×2544722² = 12951220114568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2544691 and 2544700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636179 + ... + 636182.

2^2544722 is an apocalyptic number.

2544722 is a deficient number, since it is larger than the sum of its proper divisors (1272364).

2544722 is a wasteful number, since it uses less digits than its factorization.

2544722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272363.

The product of its digits is 4480, while the sum is 26.

The square root of 2544722 is about 1595.2184803343. The cubic root of 2544722 is about 136.5253970196.

The spelling of 2544722 in words is "two million, five hundred forty-four thousand, seven hundred twenty-two".