3212221404 has 24 divisors (see below), whose sum is σ = 8565923968. Its totient is φ = 917777520.

The previous prime is 3212221399. The next prime is 3212221447. The reversal of 3212221404 is 4041222123.

It is a super-3 number, since 3×3212221404³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19120282 + ... + 19120449.

Almost surely, 2^3212221404 is an apocalyptic number.

It is an amenable number.

3212221404 is an abundant number, since it is smaller than the sum of its proper divisors (5353702564).

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

3212221404 is a wasteful number, since it uses less digits than its factorization.

3212221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38240745 (or 38240743 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3212221404 is about 56676.4625219323. The cubic root of 3212221404 is about 1475.4862177965.

Adding to 3212221404 its reverse (4041222123), we get a palindrome (7253443527).

The spelling of 3212221404 in words is "three billion, two hundred twelve million, two hundred twenty-one thousand, four hundred four".