3213121422 has 32 divisors (see below), whose sum is σ = 7515078912. Its totient is φ = 896684544.

The previous prime is 3213121393. The next prime is 3213121423. The reversal of 3213121422 is 2241213123.

It is a super-3 number, since 3×3213121422³ (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 not an unprimeable number, because it can be changed into a prime (3213121423) 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, 887763 + ... + 891374.

It is an arithmetic number, because the mean of its divisors is an integer number (234846216).

Almost surely, 2^3213121422 is an apocalyptic number.

3213121422 is an abundant number, since it is smaller than the sum of its proper divisors (4301957490).

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

3213121422 is a wasteful number, since it uses less digits than its factorization.

3213121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779192.

The product of its digits is 576, while the sum is 21.

The square root of 3213121422 is about 56684.4019285729. The cubic root of 3213121422 is about 1475.6240082310.

Adding to 3213121422 its reverse (2241213123), we get a palindrome (5454334545).

The spelling of 3213121422 in words is "three billion, two hundred thirteen million, one hundred twenty-one thousand, four hundred twenty-two".