2322639 has 24 divisors (see below), whose sum is σ = 3790800. Its totient is φ = 1357440.

The previous prime is 2322637. The next prime is 2322647. The reversal of 2322639 is 9362232.

2322639 is a `hidden beast` number, since 2 + 3 + 22 + 639 = 666.

It is not a de Polignac number, because 2322639 - 2¹ = 2322637 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3¹¹ + 2¹³ + 2¹³ + 6⁴ + 3¹³ + 9⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2467 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

2^2322639 is an apocalyptic number.

2322639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2322639 is a deficient number, since it is larger than the sum of its proper divisors (1468161).

2322639 is a wasteful number, since it uses less digits than its factorization.

2322639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 852 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 2322639 is about 1524.0206691512. The cubic root of 2322639 is about 132.4322948271.

The spelling of 2322639 in words is "two million, three hundred twenty-two thousand, six hundred thirty-nine".