22051045 has 8 divisors (see below), whose sum is σ = 27076896. Its totient is φ = 17230416.

The previous prime is 22051019. The next prime is 22051061. The reversal of 22051045 is 54015022.

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

It is a cyclic number.

It is not a de Polignac number, because 22051045 - 2⁹ = 22050533 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, 51067 + ... + 51496.

It is an arithmetic number, because the mean of its divisors is an integer number (3384612).

Almost surely, 2^22051045 is an apocalyptic number.

It is an amenable number.

22051045 is a deficient number, since it is larger than the sum of its proper divisors (5025851).

22051045 is a wasteful number, since it uses less digits than its factorization.

22051045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102611.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22051045 is about 4695.8540224330. The cubic root of 22051045 is about 280.4204779432.

Adding to 22051045 its reverse (54015022), we get a palindrome (76066067).

The spelling of 22051045 in words is "twenty-two million, fifty-one thousand, forty-five".