1144213222 has 4 divisors (see below), whose sum is σ = 1716319836. Its totient is φ = 572106610.

The previous prime is 1144213211. The next prime is 1144213243. The reversal of 1144213222 is 2223124411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2223124411 = 919 ⋅2419069.

It is a junction number, because it is equal to n+sod(n) for n = 1144213193 and 1144213202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286053304 + ... + 286053307.

It is an arithmetic number, because the mean of its divisors is an integer number (429079959).

Almost surely, 2^1144213222 is an apocalyptic number.

1144213222 is a deficient number, since it is larger than the sum of its proper divisors (572106614).

1144213222 is an equidigital number, since it uses as much as digits as its factorization.

1144213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572106613.

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

The square root of 1144213222 is about 33826.2209240110. The cubic root of 1144213222 is about 1045.9292793774.

Adding to 1144213222 its reverse (2223124411), we get a palindrome (3367337633).

The spelling of 1144213222 in words is "one billion, one hundred forty-four million, two hundred thirteen thousand, two hundred twenty-two".