2553722 has 4 divisors (see below), whose sum is σ = 3830586. Its totient is φ = 1276860.

The previous prime is 2553701. The next prime is 2553739. The reversal of 2553722 is 2273552.

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., 1515361 + 1038361 = 1231^2 + 1019^2 .

It is a d-powerful number, because it can be written as 2³ + 5⁸ + 5⁹ + 3¹¹ + 7² + 2¹⁴ + 2¹⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2553691 and 2553700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638429 + ... + 638432.

2^2553722 is an apocalyptic number.

2553722 is a deficient number, since it is larger than the sum of its proper divisors (1276864).

2553722 is a wasteful number, since it uses less digits than its factorization.

2553722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276863.

The product of its digits is 4200, while the sum is 26.

The square root of 2553722 is about 1598.0369207249. The cubic root of 2553722 is about 136.6861588960.

The spelling of 2553722 in words is "two million, five hundred fifty-three thousand, seven hundred twenty-two".