1443401122 has 4 divisors (see below), whose sum is σ = 2165101686. Its totient is φ = 721700560.

The previous prime is 1443401119. The next prime is 1443401123. The reversal of 1443401122 is 2211043441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211043441 = 32303 ⋅68447.

It can be written as a sum of positive squares in only one way, i.e., 799814961 + 643586161 = 28281^2 + 25369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1443401093 and 1443401102.

It is not an unprimeable number, because it can be changed into a prime (1443401123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360850279 + ... + 360850282.

Almost surely, 2^1443401122 is an apocalyptic number.

1443401122 is a deficient number, since it is larger than the sum of its proper divisors (721700564).

1443401122 is an equidigital number, since it uses as much as digits as its factorization.

1443401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721700563.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1443401122 is about 37992.1192091202. The cubic root of 1443401122 is about 1130.1315851675.

Adding to 1443401122 its reverse (2211043441), we get a palindrome (3654444563).

The spelling of 1443401122 in words is "one billion, four hundred forty-three million, four hundred one thousand, one hundred twenty-two".