22355445 has 16 divisors (see below), whose sum is σ = 40878720. Its totient is φ = 10219584.

The previous prime is 22355423. The next prime is 22355477. The reversal of 22355445 is 54455322.

It is not a de Polignac number, because 22355445 - 2⁵ = 22355413 is a prime.

It is a super-2 number, since 2×22355445² = 999531842296050, which contains 22 as substring.

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, 106350 + ... + 106559.

It is an arithmetic number, because the mean of its divisors is an integer number (2554920).

Almost surely, 2^22355445 is an apocalyptic number.

It is an amenable number.

22355445 is a deficient number, since it is larger than the sum of its proper divisors (18523275).

22355445 is a wasteful number, since it uses less digits than its factorization.

22355445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212924.

The product of its digits is 24000, while the sum is 30.

The square root of 22355445 is about 4728.1545025517. The cubic root of 22355445 is about 281.7049249916.

The spelling of 22355445 in words is "twenty-two million, three hundred fifty-five thousand, four hundred forty-five".