222144244133442 has 8 divisors (see below), whose sum is σ = 444288488266896. Its totient is φ = 74048081377812.

The previous prime is 222144244133423. The next prime is 222144244133453. The reversal of 222144244133442 is 244331442441222.

It is a sphenic number, since it is the product of 3 distinct primes.

222144244133442 is an admirable number.

It is a super-3 number, since 3×222144244133442³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222144244133394 and 222144244133403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18512020344448 + ... + 18512020344459.

It is an arithmetic number, because the mean of its divisors is an integer number (55536061033362).

Almost surely, 2^{222144244133442} is an apocalyptic number.

222144244133442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222144244133442 is a wasteful number, since it uses less digits than its factorization.

222144244133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37024040688912.

The product of its digits is 1179648, while the sum is 42.

Adding to 222144244133442 its reverse (244331442441222), we get a palindrome (466475686574664).

The spelling of 222144244133442 in words is "two hundred twenty-two trillion, one hundred forty-four billion, two hundred forty-four million, one hundred thirty-three thousand, four hundred forty-two".