3222121524 has 36 divisors (see below), whose sum is σ = 7768660032. Its totient is φ = 1039390320.

The previous prime is 3222121477. The next prime is 3222121561. The reversal of 3222121524 is 4251212223.

It is a junction number, because it is equal to n+sod(n) for n = 3222121494 and 3222121503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128172 + ... + 151235.

It is an arithmetic number, because the mean of its divisors is an integer number (215796112).

Almost surely, 2^3222121524 is an apocalyptic number.

It is an amenable number.

3222121524 is an abundant number, since it is smaller than the sum of its proper divisors (4546538508).

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

3222121524 is a wasteful number, since it uses less digits than its factorization.

3222121524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279476 (or 279443 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 3222121524 is about 56763.7342323424. The cubic root of 3222121524 is about 1477.0004875784. Note that the first 3 decimals are identical.

Adding to 3222121524 its reverse (4251212223), we get a palindrome (7473333747).

The spelling of 3222121524 in words is "three billion, two hundred twenty-two million, one hundred twenty-one thousand, five hundred twenty-four".