21422312030 has 16 divisors (see below), whose sum is σ = 44068756320. Its totient is φ = 7344792672.

The previous prime is 21422311997. The next prime is 21422312039. The reversal of 21422312030 is 3021322412.

It is a junction number, because it is equal to n+sod(n) for n = 21422311993 and 21422312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422312039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153016445 + ... + 153016584.

It is an arithmetic number, because the mean of its divisors is an integer number (2754297270).

Almost surely, 2^21422312030 is an apocalyptic number.

21422312030 is an abundant number, since it is smaller than the sum of its proper divisors (22646444290).

21422312030 is a wasteful number, since it uses less digits than its factorization.

21422312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306033043.

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

Adding to 21422312030 its reverse (3021322412), we get a palindrome (24443634442).

The spelling of 21422312030 in words is "twenty-one billion, four hundred twenty-two million, three hundred twelve thousand, thirty".