3331221452 has 24 divisors (see below), whose sum is σ = 6366501792. Its totient is φ = 1515830400.

The previous prime is 3331221449. The next prime is 3331221473. The reversal of 3331221452 is 2541221333.

It is a happy number.

It is a super-2 number, since 2×3331221452² = 22194072724529976608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447449 + ... + 454832.

It is an arithmetic number, because the mean of its divisors is an integer number (265270908).

Almost surely, 2^3331221452 is an apocalyptic number.

It is an amenable number.

3331221452 is a deficient number, since it is larger than the sum of its proper divisors (3035280340).

3331221452 is a wasteful number, since it uses less digits than its factorization.

3331221452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902369 (or 902367 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 3331221452 is about 57716.7345923173. The cubic root of 3331221452 is about 1493.4860423704.

Adding to 3331221452 its reverse (2541221333), we get a palindrome (5872442785).

The spelling of 3331221452 in words is "three billion, three hundred thirty-one million, two hundred twenty-one thousand, four hundred fifty-two".