22812064 has 48 divisors (see below), whose sum is σ = 49381920. Its totient is φ = 10287360.

The previous prime is 22812037. The next prime is 22812071. The reversal of 22812064 is 46021822.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80467 + ... + 80749.

It is an arithmetic number, because the mean of its divisors is an integer number (1028790).

Almost surely, 2^22812064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22812064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24690960).

22812064 is an abundant number, since it is smaller than the sum of its proper divisors (26569856).

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

22812064 is a wasteful number, since it uses less digits than its factorization.

22812064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 22812064 is about 4776.1976508516. The cubic root of 22812064 is about 283.6099916707.

Adding to 22812064 its reverse (46021822), we get a palindrome (68833886).

The spelling of 22812064 in words is "twenty-two million, eight hundred twelve thousand, sixty-four".