22102989 has 8 divisors (see below), whose sum is σ = 30156192. Its totient is φ = 14392560.

The previous prime is 22102987. The next prime is 22103021. The reversal of 22102989 is 98920122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22102989 - 2¹ = 22102987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85542 + ... + 85799.

It is an arithmetic number, because the mean of its divisors is an integer number (3769524).

Almost surely, 2^22102989 is an apocalyptic number.

It is an amenable number.

22102989 is a deficient number, since it is larger than the sum of its proper divisors (8053203).

22102989 is a wasteful number, since it uses less digits than its factorization.

22102989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171387.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 22102989 is about 4701.3816054432. The cubic root of 22102989 is about 280.6404938015.

The spelling of 22102989 in words is "twenty-two million, one hundred two thousand, nine hundred eighty-nine".