21223301414 has 16 divisors (see below), whose sum is σ = 36979243296. Its totient is φ = 8946590400.

The previous prime is 21223301413. The next prime is 21223301537. The reversal of 21223301414 is 41410332212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21223301414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223301413) 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, 12424967 + ... + 12426674.

It is an arithmetic number, because the mean of its divisors is an integer number (2311202706).

Almost surely, 2^21223301414 is an apocalyptic number.

21223301414 is a deficient number, since it is larger than the sum of its proper divisors (15755941882).

21223301414 is a wasteful number, since it uses less digits than its factorization.

21223301414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24851711.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21223301414 its reverse (41410332212), we get a palindrome (62633633626).

The spelling of 21223301414 in words is "twenty-one billion, two hundred twenty-three million, three hundred one thousand, four hundred fourteen".