1222240233140 has 24 divisors (see below), whose sum is σ = 2578868974752. Its totient is φ = 486579048480.

The previous prime is 1222240233107. The next prime is 1222240233143. The reversal of 1222240233140 is 413320422221.

It is a super-2 number, since 2×1222240233140² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222240233143) 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, 144810974 + ... + 144819413.

It is an arithmetic number, because the mean of its divisors is an integer number (107452873948).

Almost surely, 2^{1222240233140} is an apocalyptic number.

1222240233140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222240233140 is an abundant number, since it is smaller than the sum of its proper divisors (1356628741612).

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

1222240233140 is a wasteful number, since it uses less digits than its factorization.

1222240233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289630607 (or 289630605 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1222240233140 its reverse (413320422221), we get a palindrome (1635560655361).

The spelling of 1222240233140 in words is "one trillion, two hundred twenty-two billion, two hundred forty million, two hundred thirty-three thousand, one hundred forty".