22223144142 has 24 divisors (see below), whose sum is σ = 48156008160. Its totient is φ = 7406812800.

The previous prime is 22223144137. The next prime is 22223144159. The reversal of 22223144142 is 24144132222.

It is a happy number.

22223144142 is a `hidden beast` number, since 22 + 223 + 1 + 4 + 414 + 2 = 666.

It is a super-2 number, since 2×22223144142² (a number of 21 digits) contains 22 as substring.

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, 86142 + ... + 227742.

It is an arithmetic number, because the mean of its divisors is an integer number (2006500340).

Almost surely, 2^22223144142 is an apocalyptic number.

22223144142 is an abundant number, since it is smaller than the sum of its proper divisors (25932864018).

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

22223144142 is a wasteful number, since it uses less digits than its factorization.

22223144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150328 (or 150325 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22223144142 its reverse (24144132222), we get a palindrome (46367276364).

The spelling of 22223144142 in words is "twenty-two billion, two hundred twenty-three million, one hundred forty-four thousand, one hundred forty-two".