5622666 has 16 divisors (see below), whose sum is σ = 12851904. Its totient is φ = 1606464.

The previous prime is 5622653. The next prime is 5622691. The reversal of 5622666 is 6662265.

It is a super-2 number, since 2×5622666² = 63228745895112, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66895 + ... + 66978.

It is an arithmetic number, because the mean of its divisors is an integer number (803244).

Almost surely, 2^5622666 is an apocalyptic number.

5622666 is an abundant number, since it is smaller than the sum of its proper divisors (7229238).

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

5622666 is a wasteful number, since it uses less digits than its factorization.

5622666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133885.

The product of its digits is 25920, while the sum is 33.

The square root of 5622666 is about 2371.2161436697. The cubic root of 5622666 is about 177.8200639283.

It can be divided in two parts, 56 and 22666, that added together give a palindrome (22722).

The spelling of 5622666 in words is "five million, six hundred twenty-two thousand, six hundred sixty-six".