2922656 has 72 divisors (see below), whose sum is σ = 6912864. Its totient is φ = 1203840.

The previous prime is 2922653. The next prime is 2922659. The reversal of 2922656 is 6562292.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2922653) and next prime (2922659).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2922653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127061 + ... + 127083.

It is an arithmetic number, because the mean of its divisors is an integer number (96012).

2^2922656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2922656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456432).

2922656 is an abundant number, since it is smaller than the sum of its proper divisors (3990208).

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

2922656 is a wasteful number, since it uses less digits than its factorization.

2922656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 55 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 2922656 is about 1709.5777256387. The cubic root of 2922656 is about 142.9747131189.

The spelling of 2922656 in words is "two million, nine hundred twenty-two thousand, six hundred fifty-six".