22143051 has 40 divisors (see below), whose sum is σ = 38623200. Its totient is φ = 12637296.

The previous prime is 22143049. The next prime is 22143053. The reversal of 22143051 is 15034122.

It is an interprime number because it is at equal distance from previous prime (22143049) and next prime (22143053).

It is not a de Polignac number, because 22143051 - 2¹ = 22143049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22143053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27385 + ... + 28181.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^22143051 is an apocalyptic number.

22143051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22143051 is a deficient number, since it is larger than the sum of its proper divisors (16480149).

22143051 is an frugal number, since it uses more digits than its factorization.

22143051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22143051 is about 4705.6403389974. The cubic root of 22143051 is about 280.8099465028.

Adding to 22143051 its reverse (15034122), we get a palindrome (37177173).

The spelling of 22143051 in words is "twenty-two million, one hundred forty-three thousand, fifty-one".