22200051 has 8 divisors (see below), whose sum is σ = 30620880. Its totient is φ = 14289632.

The previous prime is 22200047. The next prime is 22200077. The reversal of 22200051 is 15000222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22200051 - 2² = 22200047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22200001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127500 + ... + 127673.

It is an arithmetic number, because the mean of its divisors is an integer number (3827610).

Almost surely, 2^22200051 is an apocalyptic number.

22200051 is a deficient number, since it is larger than the sum of its proper divisors (8420829).

22200051 is a wasteful number, since it uses less digits than its factorization.

22200051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255205.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 22200051 is about 4711.6930078264. The cubic root of 22200051 is about 281.0506909897.

Adding to 22200051 its reverse (15000222), we get a palindrome (37200273).

The spelling of 22200051 in words is "twenty-two million, two hundred thousand, fifty-one".