22064775 has 24 divisors (see below), whose sum is σ = 37033344. Its totient is φ = 11589600.

The previous prime is 22064773. The next prime is 22064807. The reversal of 22064775 is 57746022.

It is not a de Polignac number, because 22064775 - 2¹ = 22064773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2830 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (1543056).

Almost surely, 2^22064775 is an apocalyptic number.

22064775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22064775 is a deficient number, since it is larger than the sum of its proper divisors (14968569).

22064775 is a wasteful number, since it uses less digits than its factorization.

22064775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 22064775 is about 4697.3157228358. The cubic root of 22064775 is about 280.4786667855.

The spelling of 22064775 in words is "twenty-two million, sixty-four thousand, seven hundred seventy-five".