22440401120 has 48 divisors (see below), whose sum is σ = 53806748688. Its totient is φ = 8842183680.

The previous prime is 22440401111. The next prime is 22440401141. The reversal of 22440401120 is 2110404422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22440401092 and 22440401101.

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, 1035941 + ... + 1057380.

It is an arithmetic number, because the mean of its divisors is an integer number (1120973931).

Almost surely, 2^22440401120 is an apocalyptic number.

22440401120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22440401120 is an abundant number, since it is smaller than the sum of its proper divisors (31366347568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22440401120 is a wasteful number, since it uses less digits than its factorization.

22440401120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093403 (or 2093395 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22440401120 its reverse (2110404422), we get a palindrome (24550805542).

The spelling of 22440401120 in words is "twenty-two billion, four hundred forty million, four hundred one thousand, one hundred twenty".