3223142220 has 48 divisors (see below), whose sum is σ = 9028067328. Its totient is φ = 859193280.

The previous prime is 3223142213. The next prime is 3223142233. The reversal of 3223142220 is 222413223.

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, 191797 + ... + 207923.

It is an arithmetic number, because the mean of its divisors is an integer number (188084736).

Almost surely, 2^3223142220 is an apocalyptic number.

3223142220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3223142220 is an abundant number, since it is smaller than the sum of its proper divisors (5804925108).

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

3223142220 is a wasteful number, since it uses less digits than its factorization.

3223142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19470 (or 19468 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3223142220 is about 56772.7242608632. The cubic root of 3223142220 is about 1477.1564313480.

Adding to 3223142220 its reverse (222413223), we get a palindrome (3445555443).

The spelling of 3223142220 in words is "three billion, two hundred twenty-three million, one hundred forty-two thousand, two hundred twenty".