222451231320 has 96 divisors (see below), whose sum is σ = 724251294000. Its totient is φ = 59214909696.

The previous prime is 222451231297. The next prime is 222451231337. The reversal of 222451231320 is 23132154222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346095 + ... + 751454.

Almost surely, 2^222451231320 is an apocalyptic number.

222451231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222451231320 is an abundant number, since it is smaller than the sum of its proper divisors (501800062680).

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

222451231320 is a wasteful number, since it uses less digits than its factorization.

222451231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098129 (or 1098122 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 222451231320 its reverse (23132154222), we get a palindrome (245583385542).

The spelling of 222451231320 in words is "two hundred twenty-two billion, four hundred fifty-one million, two hundred thirty-one thousand, three hundred twenty".