1142222300 has 36 divisors (see below), whose sum is σ = 2520645960. Its totient is φ = 449142720.

The previous prime is 1142222281. The next prime is 1142222303. The reversal of 1142222300 is 32222411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142222303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90899 + ... + 102698.

Almost surely, 2^1142222300 is an apocalyptic number.

1142222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142222300 is an abundant number, since it is smaller than the sum of its proper divisors (1378423660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142222300 is a wasteful number, since it uses less digits than its factorization.

1142222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193670 (or 193663 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1142222300 is about 33796.7794323660. The cubic root of 1142222300 is about 1045.3222909517.

Adding to 1142222300 its reverse (32222411), we get a palindrome (1174444711).

The spelling of 1142222300 in words is "one billion, one hundred forty-two million, two hundred twenty-two thousand, three hundred".