22430142242 has 16 divisors (see below), whose sum is σ = 34190764632. Its totient is φ = 11034670080.

The previous prime is 22430142239. The next prime is 22430142263. The reversal of 22430142242 is 24224103422.

It can be written as a sum of positive squares in 4 ways, for example, as 14270452681 + 8159689561 = 119459^2 + 90331^2 .

It is a super-2 number, since 2×22430142242² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331259 + ... + 393182.

Almost surely, 2^22430142242 is an apocalyptic number.

22430142242 is a deficient number, since it is larger than the sum of its proper divisors (11760622390).

22430142242 is a wasteful number, since it uses less digits than its factorization.

22430142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724693.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22430142242 its reverse (24224103422), we get a palindrome (46654245664).

The spelling of 22430142242 in words is "twenty-two billion, four hundred thirty million, one hundred forty-two thousand, two hundred forty-two".