22073142330 has 40 divisors (see below), whose sum is σ = 59352229332. Its totient is φ = 5886171072.

The previous prime is 22073142307. The next prime is 22073142347. The reversal of 22073142330 is 3324137022.

22073142330 is a `hidden beast` number, since 2 + 207 + 3 + 1 + 423 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20552376321 + 1520766009 = 143361^2 + 38997^2 .

It is a super-2 number, since 2×22073142330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22073142294 and 22073142303.

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 19 ways as a sum of consecutive naturals, for example, 13624587 + ... + 13626206.

Almost surely, 2^22073142330 is an apocalyptic number.

22073142330 is an abundant number, since it is smaller than the sum of its proper divisors (37279087002).

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

22073142330 is a wasteful number, since it uses less digits than its factorization.

22073142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250812 (or 27250803 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 22073142330 its reverse (3324137022), we get a palindrome (25397279352).

The spelling of 22073142330 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, three hundred thirty".