22050005 has 16 divisors (see below), whose sum is σ = 28047600. Its totient is φ = 16611840.

The previous prime is 22050001. The next prime is 22050019. The reversal of 22050005 is 50005022.

It can be written as a sum of positive squares in 8 ways, for example, as 4401604 + 17648401 = 2098^2 + 4201^2 .

It is not a de Polignac number, because 22050005 - 2² = 22050001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22050001) 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, 4091 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (1752975).

Almost surely, 2^22050005 is an apocalyptic number.

It is an amenable number.

22050005 is a deficient number, since it is larger than the sum of its proper divisors (5997595).

22050005 is a wasteful number, since it uses less digits than its factorization.

22050005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 22050005 is about 4695.7432851467. The cubic root of 22050005 is about 280.4160693557.

Adding to 22050005 its reverse (50005022), we get a palindrome (72055027).

The spelling of 22050005 in words is "twenty-two million, fifty thousand, five".