22073142346 has 16 divisors (see below), whose sum is σ = 36902468160. Its totient is φ = 9840657600.

The previous prime is 22073142307. The next prime is 22073142347. The reversal of 22073142346 is 64324137022.

It is a super-2 number, since 2×22073142346² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (22073142347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17083830 + ... + 17085121.

It is an arithmetic number, because the mean of its divisors is an integer number (2306404260).

Almost surely, 2^22073142346 is an apocalyptic number.

22073142346 is a deficient number, since it is larger than the sum of its proper divisors (14829325814).

22073142346 is a wasteful number, since it uses less digits than its factorization.

22073142346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34168989.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 22073142346 its reverse (64324137022), we get a palindrome (86397279368).

The spelling of 22073142346 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, three hundred forty-six".