22021142030 has 32 divisors (see below), whose sum is σ = 40318207488. Its totient is φ = 8658064800.

The previous prime is 22021141999. The next prime is 22021142041. The reversal of 22021142030 is 3024112022.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 188159 + ... + 281861.

It is an arithmetic number, because the mean of its divisors is an integer number (1259943984).

Almost surely, 2^22021142030 is an apocalyptic number.

22021142030 is a deficient number, since it is larger than the sum of its proper divisors (18297065458).

22021142030 is a wasteful number, since it uses less digits than its factorization.

22021142030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94112.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22021142030 its reverse (3024112022), we get a palindrome (25045254052).

The spelling of 22021142030 in words is "twenty-two billion, twenty-one million, one hundred forty-two thousand, thirty".