2223111221400 has 96 divisors (see below), whose sum is σ = 6891933888000. Its totient is φ = 592804790400.

The previous prime is 2223111221393. The next prime is 2223111221477. The reversal of 2223111221400 is 41221113222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17576385 + ... + 17702415.

It is an arithmetic number, because the mean of its divisors is an integer number (71790978000).

Almost surely, 2^{2223111221400} is an apocalyptic number.

2223111221400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223111221400 is an abundant number, since it is smaller than the sum of its proper divisors (4668822666600).

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

2223111221400 is a wasteful number, since it uses less digits than its factorization.

2223111221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155449 (or 155440 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2223111221400 its reverse (41221113222), we get a palindrome (2264332334622).

The spelling of 2223111221400 in words is "two trillion, two hundred twenty-three billion, one hundred eleven million, two hundred twenty-one thousand, four hundred".