21030413222 has 16 divisors (see below), whose sum is σ = 38825378592. Its totient is φ = 8319723840.

The previous prime is 21030413203. The next prime is 21030413231. The reversal of 21030413222 is 22231403012.

It is a junction number, because it is equal to n+sod(n) for n = 21030413194 and 21030413203.

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, 57775679 + ... + 57776042.

It is an arithmetic number, because the mean of its divisors is an integer number (2426586162).

Almost surely, 2^21030413222 is an apocalyptic number.

21030413222 is a deficient number, since it is larger than the sum of its proper divisors (17794965370).

21030413222 is a wasteful number, since it uses less digits than its factorization.

21030413222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115551743.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21030413222 its reverse (22231403012), we get a palindrome (43261816234).

The spelling of 21030413222 in words is "twenty-one billion, thirty million, four hundred thirteen thousand, two hundred twenty-two".