224122661400 has 144 divisors (see below), whose sum is σ = 763684324200. Its totient is φ = 54332748800.

The previous prime is 224122661377. The next prime is 224122661417. The reversal of 224122661400 is 4166221422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1470945 + ... + 1616144.

Almost surely, 2^224122661400 is an apocalyptic number.

224122661400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224122661400 is an abundant number, since it is smaller than the sum of its proper divisors (539561662800).

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

224122661400 is a wasteful number, since it uses less digits than its factorization.

224122661400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087130 (or 3087110 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 224122661400 its reverse (4166221422), we get a palindrome (228288882822).

The spelling of 224122661400 in words is "two hundred twenty-four billion, one hundred twenty-two million, six hundred sixty-one thousand, four hundred".