220401223344 has 80 divisors (see below), whose sum is σ = 644569682400. Its totient is φ = 72080895744.

The previous prime is 220401223333. The next prime is 220401223351. The reversal of 220401223344 is 443322104022.

220401223344 is a `hidden beast` number, since 2 + 2 + 0 + 401 + 223 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4790199 + ... + 4835990.

It is an arithmetic number, because the mean of its divisors is an integer number (8057121030).

Almost surely, 2^220401223344 is an apocalyptic number.

220401223344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220401223344 is an abundant number, since it is smaller than the sum of its proper divisors (424168459056).

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

220401223344 is a wasteful number, since it uses less digits than its factorization.

220401223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626259 (or 9626247 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 220401223344 its reverse (443322104022), we get a palindrome (663723327366).

The spelling of 220401223344 in words is "two hundred twenty billion, four hundred one million, two hundred twenty-three thousand, three hundred forty-four".