22312100142 has 12 divisors (see below), whose sum is σ = 48342883680. Its totient is φ = 7437366708.

The previous prime is 22312100141. The next prime is 22312100149. The reversal of 22312100142 is 24100121322.

It is a happy number.

It is a super-3 number, since 3×22312100142³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1239561119 = 22312100142 / (2 + 2 + 3 + 1 + 2 + 1 + 0 + 0 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312100141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619780542 + ... + 619780577.

It is an arithmetic number, because the mean of its divisors is an integer number (4028573640).

Almost surely, 2^22312100142 is an apocalyptic number.

22312100142 is an abundant number, since it is smaller than the sum of its proper divisors (26030783538).

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

22312100142 is a wasteful number, since it uses less digits than its factorization.

22312100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239561127 (or 1239561124 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22312100142 its reverse (24100121322), we get a palindrome (46412221464).

The spelling of 22312100142 in words is "twenty-two billion, three hundred twelve million, one hundred thousand, one hundred forty-two".