222143453 has 32 divisors (see below), whose sum is σ = 275692032. Its totient is φ = 174873600.

The previous prime is 222143431. The next prime is 222143503. The reversal of 222143453 is 354341222.

It is not a de Polignac number, because 222143453 - 2¹⁶ = 222077917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481643 + ... + 482103.

It is an arithmetic number, because the mean of its divisors is an integer number (8615376).

Almost surely, 2^222143453 is an apocalyptic number.

222143453 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222143453 is a deficient number, since it is larger than the sum of its proper divisors (53548579).

222143453 is a wasteful number, since it uses less digits than its factorization.

222143453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 5760, while the sum is 26.

The square root of 222143453 is about 14904.4776158039. The cubic root of 222143453 is about 605.6352892320.

Adding to 222143453 its reverse (354341222), we get a palindrome (576484675).

The spelling of 222143453 in words is "two hundred twenty-two million, one hundred forty-three thousand, four hundred fifty-three".