21022442420230 has 16 divisors (see below), whose sum is σ = 37841352176880. Its totient is φ = 8408764563552.

The previous prime is 21022442420209. The next prime is 21022442420257. The reversal of 21022442420230 is 3202424422012.

It is a happy number.

It is a congruent number.

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, 26134569 + ... + 26926948.

It is an arithmetic number, because the mean of its divisors is an integer number (2365084511055).

Almost surely, 2^{21022442420230} is an apocalyptic number.

21022442420230 is a deficient number, since it is larger than the sum of its proper divisors (16818909756650).

21022442420230 is a wasteful number, since it uses less digits than its factorization.

21022442420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53101143.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 21022442420230 its reverse (3202424422012), we get a palindrome (24224866842242).

The spelling of 21022442420230 in words is "twenty-one trillion, twenty-two billion, four hundred forty-two million, four hundred twenty thousand, two hundred thirty".