22946445 has 12 divisors (see below), whose sum is σ = 39773916. Its totient is φ = 12238080.

The previous prime is 22946437. The next prime is 22946449. The reversal of 22946445 is 54464922.

22946445 is a `hidden beast` number, since 2 + 2 + 9 + 4 + 644 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13527684 + 9418761 = 3678^2 + 3069^2 .

It is not a de Polignac number, because 22946445 - 2³ = 22946437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22946449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254916 + ... + 255005.

It is an arithmetic number, because the mean of its divisors is an integer number (3314493).

Almost surely, 2^22946445 is an apocalyptic number.

It is an amenable number.

22946445 is a deficient number, since it is larger than the sum of its proper divisors (16827471).

22946445 is a wasteful number, since it uses less digits than its factorization.

22946445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509932 (or 509929 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22946445 is about 4790.2447745392. The cubic root of 22946445 is about 284.1657970273.

The spelling of 22946445 in words is "twenty-two million, nine hundred forty-six thousand, four hundred forty-five".