22344142434 has 16 divisors (see below), whose sum is σ = 45253960320. Its totient is φ = 7353768240.

The previous prime is 22344142393. The next prime is 22344142501. The reversal of 22344142434 is 43424144322.

It is a super-2 number, since 2×22344142434² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22344142395 and 22344142404.

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, 23569297 + ... + 23570244.

It is an arithmetic number, because the mean of its divisors is an integer number (2828372520).

Almost surely, 2^22344142434 is an apocalyptic number.

22344142434 is an abundant number, since it is smaller than the sum of its proper divisors (22909817886).

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

22344142434 is a wasteful number, since it uses less digits than its factorization.

22344142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47139625.

The product of its digits is 73728, while the sum is 33.

Adding to 22344142434 its reverse (43424144322), we get a palindrome (65768286756).

The spelling of 22344142434 in words is "twenty-two billion, three hundred forty-four million, one hundred forty-two thousand, four hundred thirty-four".