143222441 has 4 divisors (see below), whose sum is σ = 145650000. Its totient is φ = 140794884.

The previous prime is 143222413. The next prime is 143222473. The reversal of 143222441 is 144222341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143222441 - 2¹⁴ = 143206057 is a prime.

It is a super-3 number, since 3×143222441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143222411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213691 + ... + 1213808.

It is an arithmetic number, because the mean of its divisors is an integer number (36412500).

Almost surely, 2^143222441 is an apocalyptic number.

It is an amenable number.

143222441 is a deficient number, since it is larger than the sum of its proper divisors (2427559).

143222441 is an equidigital number, since it uses as much as digits as its factorization.

143222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427558.

The product of its digits is 1536, while the sum is 23.

The square root of 143222441 is about 11967.5578544664. The cubic root of 143222441 is about 523.2031585117.

Adding to 143222441 its reverse (144222341), we get a palindrome (287444782).

The spelling of 143222441 in words is "one hundred forty-three million, two hundred twenty-two thousand, four hundred forty-one".