22801889 has 8 divisors (see below), whose sum is σ = 25155360. Its totient is φ = 20495200.

The previous prime is 22801873. The next prime is 22801897. The reversal of 22801889 is 98810822.

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

It is not a de Polignac number, because 22801889 - 2⁴ = 22801873 is a prime.

It is a super-2 number, since 2×22801889² = 1039852283936642, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (22801829) 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, 10667 + ... + 12624.

It is an arithmetic number, because the mean of its divisors is an integer number (3144420).

Almost surely, 2^22801889 is an apocalyptic number.

It is an amenable number.

22801889 is a deficient number, since it is larger than the sum of its proper divisors (2353471).

22801889 is a wasteful number, since it uses less digits than its factorization.

22801889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23391.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 22801889 is about 4775.1323541866. The cubic root of 22801889 is about 283.5678186519.

The spelling of 22801889 in words is "twenty-two million, eight hundred one thousand, eight hundred eighty-nine".