222001401400 has 24 divisors (see below), whose sum is σ = 516153258720. Its totient is φ = 88800560480.

The previous prime is 222001401383. The next prime is 222001401443. The reversal of 222001401400 is 4104100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555003304 + ... + 555003703.

It is an arithmetic number, because the mean of its divisors is an integer number (21506385780).

Almost surely, 2^222001401400 is an apocalyptic number.

222001401400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001401400 is an abundant number, since it is smaller than the sum of its proper divisors (294151857320).

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

222001401400 is a wasteful number, since it uses less digits than its factorization.

222001401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110007023 (or 1110007014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222001401400 its reverse (4104100222), we get a palindrome (226105501622).

The spelling of 222001401400 in words is "two hundred twenty-two billion, one million, four hundred one thousand, four hundred".