22064346 has 32 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 7270560.

The previous prime is 22064333. The next prime is 22064347. The reversal of 22064346 is 64346022.

22064346 is a `hidden beast` number, since 220 + 6 + 434 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22064347) 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, 2511 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^22064346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22064346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24796800).

22064346 is an abundant number, since it is smaller than the sum of its proper divisors (27529254).

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

22064346 is a wasteful number, since it uses less digits than its factorization.

22064346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 22064346 is about 4697.2700582360. The cubic root of 22064346 is about 280.4768490144.

The spelling of 22064346 in words is "twenty-two million, sixty-four thousand, three hundred forty-six".