10440421222 has 16 divisors (see below), whose sum is σ = 19524943872. Its totient is φ = 4067696520.

The previous prime is 10440421213. The next prime is 10440421289. The reversal of 10440421222 is 22212404401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10440421193 and 10440421202.

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, 33897318 + ... + 33897625.

It is an arithmetic number, because the mean of its divisors is an integer number (1220308992).

Almost surely, 2^10440421222 is an apocalyptic number.

10440421222 is a deficient number, since it is larger than the sum of its proper divisors (9084522650).

10440421222 is a wasteful number, since it uses less digits than its factorization.

10440421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67794963.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 10440421222 its reverse (22212404401), we get a palindrome (32652825623).

The spelling of 10440421222 in words is "ten billion, four hundred forty million, four hundred twenty-one thousand, two hundred twenty-two".