2522661 has 8 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 1658592.

The previous prime is 2522659. The next prime is 2522669. The reversal of 2522661 is 1662252.

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

It is not a de Polignac number, because 2522661 - 2¹ = 2522659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 5978.

It is an arithmetic number, because the mean of its divisors is an integer number (426240).

2^2522661 is an apocalyptic number.

It is an amenable number.

2522661 is a deficient number, since it is larger than the sum of its proper divisors (887259).

2522661 is a wasteful number, since it uses less digits than its factorization.

2522661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595.

The product of its digits is 1440, while the sum is 24.

The square root of 2522661 is about 1588.2887017164. The cubic root of 2522661 is about 136.1297241179.

The spelling of 2522661 in words is "two million, five hundred twenty-two thousand, six hundred sixty-one".