22150003 has 4 divisors (see below), whose sum is σ = 22172760. Its totient is φ = 22127248.

The previous prime is 22150001. The next prime is 22150061. The reversal of 22150003 is 30005122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22150003 - 2¹ = 22150001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22150001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9850 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (5543190).

Almost surely, 2^22150003 is an apocalyptic number.

22150003 is a deficient number, since it is larger than the sum of its proper divisors (22757).

22150003 is a wasteful number, since it uses less digits than its factorization.

22150003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 22150003 is about 4706.3789690164. The cubic root of 22150003 is about 280.8393309883.

Adding to 22150003 its reverse (30005122), we get a palindrome (52155125).

The spelling of 22150003 in words is "twenty-two million, one hundred fifty thousand, three".