5622981 has 32 divisors (see below), whose sum is σ = 9461760. Its totient is φ = 2890944.

The previous prime is 5622977. The next prime is 5623003. The reversal of 5622981 is 1892265.

5622981 is a nontrivial binomial coefficient, being equal to C(3354, 2).

It is not a de Polignac number, because 5622981 - 2² = 5622977 is a prime.

It is a super-3 number, since 3×5622981³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

5622981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5622901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11500 + ... + 11978.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

Almost surely, 2^5622981 is an apocalyptic number.

5622981 is the 3353-rd triangular number and also the 1677-th hexagonal number.

It is an amenable number.

5622981 is a deficient number, since it is larger than the sum of its proper divisors (3838779).

5622981 is a wasteful number, since it uses less digits than its factorization.

5622981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 8640, while the sum is 33.

The square root of 5622981 is about 2371.2825643520. The cubic root of 5622981 is about 177.8233845520.

The spelling of 5622981 in words is "five million, six hundred twenty-two thousand, nine hundred eighty-one".