3443312312220 has 48 divisors (see below), whose sum is σ = 10517753973888. Its totient is φ = 834742378560.

The previous prime is 3443312312191. The next prime is 3443312312249. The reversal of 3443312312220 is 222132133443.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3443312312191) and next prime (3443312312249).

It is a super-2 number, since 2×3443312312220² (a number of 26 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2608569274 + ... + 2608570593.

It is an arithmetic number, because the mean of its divisors is an integer number (219119874456).

Almost surely, 2^{3443312312220} is an apocalyptic number.

3443312312220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3443312312220 is an abundant number, since it is smaller than the sum of its proper divisors (7074441661668).

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

3443312312220 is a wasteful number, since it uses less digits than its factorization.

3443312312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217139890 (or 5217139888 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 3443312312220 its reverse (222132133443), we get a palindrome (3665444445663).

The spelling of 3443312312220 in words is "three trillion, four hundred forty-three billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty".