1222441040 has 40 divisors (see below), whose sum is σ = 2864578560. Its totient is φ = 485122176.

The previous prime is 1222441027. The next prime is 1222441043. The reversal of 1222441040 is 401442221.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222441043) 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, 50000 + ... + 70319.

It is an arithmetic number, because the mean of its divisors is an integer number (71614464).

Almost surely, 2^1222441040 is an apocalyptic number.

1222441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222441040 is an abundant number, since it is smaller than the sum of its proper divisors (1642137520).

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

1222441040 is a wasteful number, since it uses less digits than its factorization.

1222441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120459 (or 120453 counting only the distinct ones).

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

The square root of 1222441040 is about 34963.4243174206. The cubic root of 1222441040 is about 1069.2419121489.

Adding to 1222441040 its reverse (401442221), we get a palindrome (1623883261).

The spelling of 1222441040 in words is "one billion, two hundred twenty-two million, four hundred forty-one thousand, forty".