22661002 has 32 divisors (see below), whose sum is σ = 42336000. Its totient is φ = 8857728.

The previous prime is 22660997. The next prime is 22661027. The reversal of 22661002 is 20016622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15499 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^22661002 is an apocalyptic number.

22661002 is a deficient number, since it is larger than the sum of its proper divisors (19674998).

22661002 is a wasteful number, since it uses less digits than its factorization.

22661002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22661002 is about 4760.3573395282. The cubic root of 22661002 is about 282.9825808055.

Adding to 22661002 its reverse (20016622), we get a palindrome (42677624).

The spelling of 22661002 in words is "twenty-two million, six hundred sixty-one thousand, two".