22264445 has 16 divisors (see below), whose sum is σ = 30613248. Its totient is φ = 15227520.

The previous prime is 22264439. The next prime is 22264457. The reversal of 22264445 is 54446222.

It is not a de Polignac number, because 22264445 - 2⁶ = 22264381 is a prime.

It is a super-2 number, since 2×22264445² = 991411022316050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21080 + ... + 22110.

It is an arithmetic number, because the mean of its divisors is an integer number (1913328).

Almost surely, 2^22264445 is an apocalyptic number.

It is an amenable number.

22264445 is a deficient number, since it is larger than the sum of its proper divisors (8348803).

22264445 is a wasteful number, since it uses less digits than its factorization.

22264445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 15360, while the sum is 29.

The square root of 22264445 is about 4718.5214845331. The cubic root of 22264445 is about 281.3221694631.

The spelling of 22264445 in words is "twenty-two million, two hundred sixty-four thousand, four hundred forty-five".