22073142530 has 32 divisors (see below), whose sum is σ = 40726370160. Its totient is φ = 8608481280.

The previous prime is 22073142529. The next prime is 22073142551. The reversal of 22073142530 is 3524137022.

It can be written as a sum of positive squares in 8 ways, for example, as 2229067369 + 19844075161 = 47213^2 + 140869^2 .

It is a super-2 number, since 2×22073142530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22073142493 and 22073142502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668162 + ... + 700418.

Almost surely, 2^22073142530 is an apocalyptic number.

22073142530 is a deficient number, since it is larger than the sum of its proper divisors (18653227630).

22073142530 is a wasteful number, since it uses less digits than its factorization.

22073142530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33974.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 22073142530 its reverse (3524137022), we get a palindrome (25597279552).

The spelling of 22073142530 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, five hundred thirty".