22309084 has 24 divisors (see below), whose sum is σ = 45708768. Its totient is φ = 9327360.

The previous prime is 22309073. The next prime is 22309087. The reversal of 22309084 is 48090322.

It is a super-3 number, since 3×22309084³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22309087) 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, 8569 + ... + 10864.

It is an arithmetic number, because the mean of its divisors is an integer number (1904532).

Almost surely, 2^22309084 is an apocalyptic number.

It is an amenable number.

22309084 is an abundant number, since it is smaller than the sum of its proper divisors (23399684).

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

22309084 is a wasteful number, since it uses less digits than its factorization.

22309084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19485 (or 19483 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22309084 is about 4723.2493052982. The cubic root of 22309084 is about 281.5100558292.

The spelling of 22309084 in words is "twenty-two million, three hundred nine thousand, eighty-four".