22289322 has 32 divisors (see below), whose sum is σ = 49823424. Its totient is φ = 6588800.

The previous prime is 22289321. The next prime is 22289381. The reversal of 22289322 is 22398222.

It is a super-3 number, since 3×22289322³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22289322.

It is not an unprimeable number, because it can be changed into a prime (22289321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (1556982).

Almost surely, 2^22289322 is an apocalyptic number.

22289322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22289322 is an abundant number, since it is smaller than the sum of its proper divisors (27534102).

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

22289322 is a wasteful number, since it uses less digits than its factorization.

22289322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294.

The product of its digits is 6912, while the sum is 30.

The square root of 22289322 is about 4721.1568497562. The cubic root of 22289322 is about 281.4269081570.

Subtracting 22289322 from its reverse (22398222), we obtain a square (108900 = 330²).

The spelling of 22289322 in words is "twenty-two million, two hundred eighty-nine thousand, three hundred twenty-two".