22432989 has 8 divisors (see below), whose sum is σ = 30719200. Its totient is φ = 14551056.

The previous prime is 22432987. The next prime is 22432997. The reversal of 22432989 is 98923422.

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 22432989 - 2¹ = 22432987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432987) 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, 100939 + ... + 101160.

It is an arithmetic number, because the mean of its divisors is an integer number (3839900).

Almost surely, 2^22432989 is an apocalyptic number.

It is an amenable number.

22432989 is a deficient number, since it is larger than the sum of its proper divisors (8286211).

22432989 is a wasteful number, since it uses less digits than its factorization.

22432989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202139.

The product of its digits is 62208, while the sum is 39.

The square root of 22432989 is about 4736.3476434907. The cubic root of 22432989 is about 282.0302643441.

The spelling of 22432989 in words is "twenty-two million, four hundred thirty-two thousand, nine hundred eighty-nine".