3021222100 has 36 divisors (see below), whose sum is σ = 7060366684. Its totient is φ = 1115527680.

The previous prime is 3021222067. The next prime is 3021222101. The reversal of 3021222100 is 12221203.

It can be written as a sum of positive squares in 6 ways, for example, as 35473936 + 2985748164 = 5956^2 + 54642^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021222101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1160709 + ... + 1163308.

Almost surely, 2^3021222100 is an apocalyptic number.

It is an amenable number.

3021222100 is an abundant number, since it is smaller than the sum of its proper divisors (4039144584).

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

3021222100 is a wasteful number, since it uses less digits than its factorization.

3021222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324044 (or 2324037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3021222100 is about 54965.6447246823. The cubic root of 3021222100 is about 1445.6424229673.

Adding to 3021222100 its reverse (12221203), we get a palindrome (3033443303).

The spelling of 3021222100 in words is "three billion, twenty-one million, two hundred twenty-two thousand, one hundred".