22841964 has 18 divisors (see below), whose sum is σ = 57739500. Its totient is φ = 7613976.

The previous prime is 22841963. The next prime is 22841983. The reversal of 22841964 is 46914822.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 634499 = 22841964 / (2 + 2 + 8 + 4 + 1 + 9 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (22841963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317214 + ... + 317285.

It is an arithmetic number, because the mean of its divisors is an integer number (3207750).

Almost surely, 2^22841964 is an apocalyptic number.

It is an amenable number.

22841964 is an abundant number, since it is smaller than the sum of its proper divisors (34897536).

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

22841964 is a wasteful number, since it uses less digits than its factorization.

22841964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634509 (or 634504 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22841964 is about 4779.3267308273. The cubic root of 22841964 is about 283.7338477224.

The spelling of 22841964 in words is "twenty-two million, eight hundred forty-one thousand, nine hundred sixty-four".