22443024142442 has 16 divisors (see below), whose sum is σ = 34616501169192. Its totient is φ = 10904929237440.

The previous prime is 22443024142403. The next prime is 22443024142457. The reversal of 22443024142442 is 24424142034422.

It can be written as a sum of positive squares in 4 ways, for example, as 21574715129881 + 868309012561 = 4644859^2 + 931831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22443024142396 and 22443024142405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184643333 + ... + 184764840.

Almost surely, 2^{22443024142442} is an apocalyptic number.

22443024142442 is a deficient number, since it is larger than the sum of its proper divisors (12173477026750).

22443024142442 is a wasteful number, since it uses less digits than its factorization.

22443024142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369409033.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 22443024142442 its reverse (24424142034422), we get a palindrome (46867166176864).

The spelling of 22443024142442 in words is "twenty-two trillion, four hundred forty-three billion, twenty-four million, one hundred forty-two thousand, four hundred forty-two".