22054445 has 8 divisors (see below), whose sum is σ = 30246144. Its totient is φ = 15123024.

The previous prime is 22054429. The next prime is 22054453. The reversal of 22054445 is 54445022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22054445 - 2⁴ = 22054429 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 315029 + ... + 315098.

It is an arithmetic number, because the mean of its divisors is an integer number (3780768).

Almost surely, 2^22054445 is an apocalyptic number.

It is an amenable number.

22054445 is a deficient number, since it is larger than the sum of its proper divisors (8191699).

22054445 is an equidigital number, since it uses as much as digits as its factorization.

22054445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630139.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 22054445 is about 4696.2160299543. The cubic root of 22054445 is about 280.4348896657.

Adding to 22054445 its reverse (54445022), we get a palindrome (76499467).

The spelling of 22054445 in words is "twenty-two million, fifty-four thousand, four hundred forty-five".