22302142331242 has 4 divisors (see below), whose sum is σ = 33453213496866. Its totient is φ = 11151071165620.

The previous prime is 22302142331233. The next prime is 22302142331291. The reversal of 22302142331242 is 24213324120322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13952533325481 + 8349609005761 = 3735309^2 + 2889569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575535582809 + ... + 5575535582812.

Almost surely, 2^{22302142331242} is an apocalyptic number.

22302142331242 is a deficient number, since it is larger than the sum of its proper divisors (11151071165624).

22302142331242 is a wasteful number, since it uses less digits than its factorization.

22302142331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151071165623.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 22302142331242 its reverse (24213324120322), we get a palindrome (46515466451564).

The spelling of 22302142331242 in words is "twenty-two trillion, three hundred two billion, one hundred forty-two million, three hundred thirty-one thousand, two hundred forty-two".