22153143 has 16 divisors (see below), whose sum is σ = 30216960. Its totient is φ = 14432256.

The previous prime is 22153139. The next prime is 22153147. The reversal of 22153143 is 34135122.

It is an interprime number because it is at equal distance from previous prime (22153139) and next prime (22153147).

It is not a de Polignac number, because 22153143 - 2² = 22153139 is a prime.

It is a super-3 number, since 3×22153143³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153147) 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 15 ways as a sum of consecutive naturals, for example, 45246 + ... + 45732.

It is an arithmetic number, because the mean of its divisors is an integer number (1888560).

Almost surely, 2^22153143 is an apocalyptic number.

22153143 is a deficient number, since it is larger than the sum of its proper divisors (8063817).

22153143 is a wasteful number, since it uses less digits than its factorization.

22153143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 720, while the sum is 21.

The square root of 22153143 is about 4706.7125469907. The cubic root of 22153143 is about 280.8526010216.

Adding to 22153143 its reverse (34135122), we get a palindrome (56288265).

The spelling of 22153143 in words is "twenty-two million, one hundred fifty-three thousand, one hundred forty-three".