3213221010 has 32 divisors (see below), whose sum is σ = 7891076160. Its totient is φ = 836931648.

The previous prime is 3213221009. The next prime is 3213221027. The reversal of 3213221010 is 101223123.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1244145 + ... + 1246724.

It is an arithmetic number, because the mean of its divisors is an integer number (246596130).

Almost surely, 2^3213221010 is an apocalyptic number.

3213221010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3213221010 is an abundant number, since it is smaller than the sum of its proper divisors (4677855150).

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

3213221010 is a wasteful number, since it uses less digits than its factorization.

3213221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490922.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3213221010 is about 56685.2803644826. The cubic root of 3213221010 is about 1475.6392533158.

Adding to 3213221010 its reverse (101223123), we get a palindrome (3314444133).

The spelling of 3213221010 in words is "three billion, two hundred thirteen million, two hundred twenty-one thousand, ten".