2422557 has 24 divisors (see below), whose sum is σ = 3810560. Its totient is φ = 1477440.

The previous prime is 2422547. The next prime is 2422559. The reversal of 2422557 is 7552242.

It is not a de Polignac number, because 2422557 - 2¹⁰ = 2421533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2422557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5073 + ... + 5529.

2^2422557 is an apocalyptic number.

It is an amenable number.

2422557 is a deficient number, since it is larger than the sum of its proper divisors (1388003).

2422557 is a wasteful number, since it uses less digits than its factorization.

2422557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2422557 is about 1556.4565525578. The cubic root of 2422557 is about 134.3047382455.

Adding to 2422557 its reverse (7552242), we get a palindrome (9974799).

The spelling of 2422557 in words is "two million, four hundred twenty-two thousand, five hundred fifty-seven".