1142223346 has 16 divisors (see below), whose sum is σ = 1914681888. Its totient is φ = 506528800.

The previous prime is 1142223311. The next prime is 1142223347. The reversal of 1142223346 is 6433222411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1142223347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632260 + ... + 634063.

It is an arithmetic number, because the mean of its divisors is an integer number (119667618).

Almost surely, 2^1142223346 is an apocalyptic number.

1142223346 is a deficient number, since it is larger than the sum of its proper divisors (772458542).

1142223346 is a wasteful number, since it uses less digits than its factorization.

1142223346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266377.

The product of its digits is 6912, while the sum is 28.

The square root of 1142223346 is about 33796.7949072098. The cubic root of 1142223346 is about 1045.3226100392.

Adding to 1142223346 its reverse (6433222411), we get a palindrome (7575445757).

The spelling of 1142223346 in words is "one billion, one hundred forty-two million, two hundred twenty-three thousand, three hundred forty-six".