3312312220 has 48 divisors (see below), whose sum is σ = 8058472128. Its totient is φ = 1120089600.

The previous prime is 3312312197. The next prime is 3312312229. The reversal of 3312312220 is 222132133.

3312312220 = 6700² + 6701² + ... + 6772².

It is a super-2 number, since 2×3312312220² = 21942824485522656800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312312229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151831 + ... + 172270.

It is an arithmetic number, because the mean of its divisors is an integer number (167884836).

Almost surely, 2^3312312220 is an apocalyptic number.

It is an amenable number.

3312312220 is an abundant number, since it is smaller than the sum of its proper divisors (4746159908).

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

3312312220 is a wasteful number, since it uses less digits than its factorization.

3312312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324190 (or 324188 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3312312220 is about 57552.6908145918. The cubic root of 3312312220 is about 1490.6548208079.

Adding to 3312312220 its reverse (222132133), we get a palindrome (3534444353).

The spelling of 3312312220 in words is "three billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty".