21023022014 has 8 divisors (see below), whose sum is σ = 31535277048. Its totient is φ = 10511263000.

The previous prime is 21023022011. The next prime is 21023022047. The reversal of 21023022014 is 41022032012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21023022014² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21023021983 and 21023022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023022011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11624 + ... + 205380.

It is an arithmetic number, because the mean of its divisors is an integer number (3941909631).

Almost surely, 2^21023022014 is an apocalyptic number.

21023022014 is a deficient number, since it is larger than the sum of its proper divisors (10512255034).

21023022014 is a wasteful number, since it uses less digits than its factorization.

21023022014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248010.

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

Adding to 21023022014 its reverse (41022032012), we get a palindrome (62045054026).

The spelling of 21023022014 in words is "twenty-one billion, twenty-three million, twenty-two thousand, fourteen".