3321145402 has 4 divisors (see below), whose sum is σ = 4981718106. Its totient is φ = 1660572700.

The previous prime is 3321145393. The next prime is 3321145403. The reversal of 3321145402 is 2045411233.

3321145402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1668804201 + 1652341201 = 40851^2 + 40649^2 .

It is a super-2 number, since 2×3321145402² = 22060013562451483208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321145403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830286349 + ... + 830286352.

Almost surely, 2^3321145402 is an apocalyptic number.

3321145402 is a deficient number, since it is larger than the sum of its proper divisors (1660572704).

3321145402 is a wasteful number, since it uses less digits than its factorization.

3321145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660572703.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3321145402 is about 57629.3796773833. The cubic root of 3321145402 is about 1491.9787235787.

Adding to 3321145402 its reverse (2045411233), we get a palindrome (5366556635).

The spelling of 3321145402 in words is "three billion, three hundred twenty-one million, one hundred forty-five thousand, four hundred two".