22554345 has 16 divisors (see below), whose sum is σ = 39367872. Its totient is φ = 10935360.

The previous prime is 22554341. The next prime is 22554347. The reversal of 22554345 is 54345522.

It is not a de Polignac number, because 22554345 - 2² = 22554341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22554341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68182 + ... + 68511.

It is an arithmetic number, because the mean of its divisors is an integer number (2460492).

Almost surely, 2^22554345 is an apocalyptic number.

It is an amenable number.

22554345 is a deficient number, since it is larger than the sum of its proper divisors (16813527).

22554345 is a wasteful number, since it uses less digits than its factorization.

22554345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136712.

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

The square root of 22554345 is about 4749.1415013663. The cubic root of 22554345 is about 282.5379174833.

Adding to 22554345 its reverse (54345522), we get a palindrome (76899867).

The spelling of 22554345 in words is "twenty-two million, five hundred fifty-four thousand, three hundred forty-five".