1223214022440 has 96 divisors (see below), whose sum is σ = 3975616663200. Its totient is φ = 326176368000.

The previous prime is 1223214022439. The next prime is 1223214022447. The reversal of 1223214022440 is 442204123221.

It is a happy number.

1223214022440 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 214 + 0 + 2 + 2 + 440 = 666.

It is a super-3 number, since 3×1223214022440³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223214022447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10373815 + ... + 10491065.

It is an arithmetic number, because the mean of its divisors is an integer number (41412673575).

Almost surely, 2^{1223214022440} is an apocalyptic number.

1223214022440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223214022440 is an abundant number, since it is smaller than the sum of its proper divisors (2752402640760).

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

1223214022440 is a wasteful number, since it uses less digits than its factorization.

1223214022440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146247 (or 146240 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1223214022440 its reverse (442204123221), we get a palindrome (1665418145661).

The spelling of 1223214022440 in words is "one trillion, two hundred twenty-three billion, two hundred fourteen million, twenty-two thousand, four hundred forty".