1442222136 has 48 divisors (see below), whose sum is σ = 3924571560. Its totient is φ = 478457280.

The previous prime is 1442222129. The next prime is 1442222147. The reversal of 1442222136 is 6312222441.

1442222136 is a `hidden beast` number, since 1 + 442 + 2 + 2 + 213 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32275 + ... + 62658.

Almost surely, 2^1442222136 is an apocalyptic number.

It is an amenable number.

1442222136 is an abundant number, since it is smaller than the sum of its proper divisors (2482349424).

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

1442222136 is a wasteful number, since it uses less digits than its factorization.

1442222136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95156 (or 95149 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1442222136 is about 37976.5998478010. The cubic root of 1442222136 is about 1129.8238000256.

Adding to 1442222136 its reverse (6312222441), we get a palindrome (7754444577).

The spelling of 1442222136 in words is "one billion, four hundred forty-two million, two hundred twenty-two thousand, one hundred thirty-six".