1142222050 has 36 divisors (see below), whose sum is σ = 2242271106. Its totient is φ = 432835200.

The previous prime is 1142222047. The next prime is 1142222077. The reversal of 1142222050 is 502222411.

It can be written as a sum of positive squares in 3 ways, for example, as 631868769 + 510353281 = 25137^2 + 22591^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13591 + ... + 49690.

Almost surely, 2^1142222050 is an apocalyptic number.

1142222050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142222050 is a deficient number, since it is larger than the sum of its proper divisors (1100049056).

1142222050 is a wasteful number, since it uses less digits than its factorization.

1142222050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63331 (or 63307 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1142222050 is about 33796.7757337886. The cubic root of 1142222050 is about 1045.3222146879.

Adding to 1142222050 its reverse (502222411), we get a palindrome (1644444461).

The spelling of 1142222050 in words is "one billion, one hundred forty-two million, two hundred twenty-two thousand, fifty".