22052051 has 4 divisors (see below), whose sum is σ = 25202352. Its totient is φ = 18901752.

The previous prime is 22052047. The next prime is 22052057. The reversal of 22052051 is 15025022.

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 22052051 - 2² = 22052047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22052057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575140 + ... + 1575153.

It is an arithmetic number, because the mean of its divisors is an integer number (6300588).

Almost surely, 2^22052051 is an apocalyptic number.

22052051 is a deficient number, since it is larger than the sum of its proper divisors (3150301).

22052051 is an equidigital number, since it uses as much as digits as its factorization.

22052051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150300.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 22052051 is about 4695.9611369772. The cubic root of 22052051 is about 280.4247422718.

Adding to 22052051 its reverse (15025022), we get a palindrome (37077073).

The spelling of 22052051 in words is "twenty-two million, fifty-two thousand, fifty-one".