22064455 has 12 divisors (see below), whose sum is σ = 30800520. Its totient is φ = 15129744.

The previous prime is 22064423. The next prime is 22064459. The reversal of 22064455 is 55446022.

It is not a de Polignac number, because 22064455 - 2⁵ = 22064423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44785 + ... + 45274.

It is an arithmetic number, because the mean of its divisors is an integer number (2566710).

Almost surely, 2^22064455 is an apocalyptic number.

22064455 is a deficient number, since it is larger than the sum of its proper divisors (8736065).

22064455 is an equidigital number, since it uses as much as digits as its factorization.

22064455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90078 (or 90071 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 22064455 is about 4697.2816607055. The cubic root of 22064455 is about 280.4773108745.

The spelling of 22064455 in words is "twenty-two million, sixty-four thousand, four hundred fifty-five".