22250545 has 16 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 16920640.

The previous prime is 22250537. The next prime is 22250563. The reversal of 22250545 is 54505222.

It is a happy number.

It is not a de Polignac number, because 22250545 - 2³ = 22250537 is a prime.

It is a Duffinian 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, 21459 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (1752192).

Almost surely, 2^22250545 is an apocalyptic number.

It is an amenable number.

22250545 is a deficient number, since it is larger than the sum of its proper divisors (5784527).

22250545 is a wasteful number, since it uses less digits than its factorization.

22250545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 22250545 is about 4717.0483355590. The cubic root of 22250545 is about 281.2636128391.

Adding to 22250545 its reverse (54505222), we get a palindrome (76755767).

The spelling of 22250545 in words is "twenty-two million, two hundred fifty thousand, five hundred forty-five".