22241545 has 16 divisors (see below), whose sum is σ = 27250560. Its totient is φ = 17424000.

The previous prime is 22241543. The next prime is 22241563. The reversal of 22241545 is 54514222.

It is not a de Polignac number, because 22241545 - 2¹ = 22241543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22241543) 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, 67030 + ... + 67360.

It is an arithmetic number, because the mean of its divisors is an integer number (1703160).

Almost surely, 2^22241545 is an apocalyptic number.

It is an amenable number.

22241545 is a deficient number, since it is larger than the sum of its proper divisors (5009015).

22241545 is a wasteful number, since it uses less digits than its factorization.

22241545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 3200, while the sum is 25.

The square root of 22241545 is about 4716.0942526629. The cubic root of 22241545 is about 281.2256854700.

Adding to 22241545 its reverse (54514222), we get a palindrome (76755767).

The spelling of 22241545 in words is "twenty-two million, two hundred forty-one thousand, five hundred forty-five".