3221420234 has 8 divisors (see below), whose sum is σ = 4834854948. Its totient is φ = 1609801920.

The previous prime is 3221420221. The next prime is 3221420261. The reversal of 3221420234 is 4320241223.

It can be written as a sum of positive squares in 2 ways, for example, as 3191685025 + 29735209 = 56495^2 + 5453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3221420234² = 20755096648049229512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449657 + ... + 456764.

Almost surely, 2^3221420234 is an apocalyptic number.

3221420234 is a deficient number, since it is larger than the sum of its proper divisors (1613434714).

3221420234 is a wasteful number, since it uses less digits than its factorization.

3221420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908200.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3221420234 is about 56757.5566246469. The cubic root of 3221420234 is about 1476.8933241437.

Adding to 3221420234 its reverse (4320241223), we get a palindrome (7541661457).

The spelling of 3221420234 in words is "three billion, two hundred twenty-one million, four hundred twenty thousand, two hundred thirty-four".