22150245 has 16 divisors (see below), whose sum is σ = 38166912. Its totient is φ = 10904640.

The previous prime is 22150243. The next prime is 22150273. The reversal of 22150245 is 54205122.

It is a happy number.

It is not a de Polignac number, because 22150245 - 2¹ = 22150243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150243) 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, 56601 + ... + 56990.

It is an arithmetic number, because the mean of its divisors is an integer number (2385432).

Almost surely, 2^22150245 is an apocalyptic number.

It is an amenable number.

22150245 is a deficient number, since it is larger than the sum of its proper divisors (16016667).

22150245 is a wasteful number, since it uses less digits than its factorization.

22150245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113612.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22150245 is about 4706.4046787330. The cubic root of 22150245 is about 280.8403537552.

Adding to 22150245 its reverse (54205122), we get a palindrome (76355367).

The spelling of 22150245 in words is "twenty-two million, one hundred fifty thousand, two hundred forty-five".