3022644 has 12 divisors (see below), whose sum is σ = 7052864. Its totient is φ = 1007544.

The previous prime is 3022601. The next prime is 3022661. The reversal of 3022644 is 4462203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3022644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125932 + ... + 125955.

Almost surely, 2^3022644 is an apocalyptic number.

It is an amenable number.

3022644 is an abundant number, since it is smaller than the sum of its proper divisors (4030220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3022644 is a wasteful number, since it uses less digits than its factorization.

3022644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251894 (or 251892 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3022644 is about 1738.5752787843. The cubic root of 3022644 is about 144.5869178510.

Adding to 3022644 its reverse (4462203), we get a palindrome (7484847).

The spelling of 3022644 in words is "three million, twenty-two thousand, six hundred forty-four".