1142427222468 has 36 divisors (see below), whose sum is σ = 3300345310080. Its totient is φ = 326407777776.

The previous prime is 1142427222451. The next prime is 1142427222509. The reversal of 1142427222468 is 8642227242411.

It is a happy number.

1142427222468 is a `hidden beast` number, since 1 + 142 + 4 + 27 + 2 + 22 + 468 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1142427222468² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266720428 + ... + 2266720931.

Almost surely, 2^{1142427222468} is an apocalyptic number.

1142427222468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1142427222468 is an abundant number, since it is smaller than the sum of its proper divisors (2157918087612).

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

1142427222468 is a wasteful number, since it uses less digits than its factorization.

1142427222468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533441376 (or 4533441371 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The spelling of 1142427222468 in words is "one trillion, one hundred forty-two billion, four hundred twenty-seven million, two hundred twenty-two thousand, four hundred sixty-eight".