22354545 has 16 divisors (see below), whose sum is σ = 37650240. Its totient is φ = 11294784.

The previous prime is 22354543. The next prime is 22354559. The reversal of 22354545 is 54545322.

It is not a de Polignac number, because 22354545 - 2¹ = 22354543 is a prime.

22354545 is a modest number, since divided by 4545 gives 2235 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22354543) 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, 38934 + ... + 39503.

It is an arithmetic number, because the mean of its divisors is an integer number (2353140).

Almost surely, 2^22354545 is an apocalyptic number.

It is an amenable number.

22354545 is a deficient number, since it is larger than the sum of its proper divisors (15295695).

22354545 is a wasteful number, since it uses less digits than its factorization.

22354545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78464.

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

The square root of 22354545 is about 4728.0593270389. The cubic root of 22354545 is about 281.7011445877.

Adding to 22354545 its reverse (54545322), we get a palindrome (76899867).

The spelling of 22354545 in words is "twenty-two million, three hundred fifty-four thousand, five hundred forty-five".