1335025221 has 8 divisors (see below), whose sum is σ = 1790693184. Its totient is φ = 884687040.

The previous prime is 1335025213. The next prime is 1335025247. The reversal of 1335025221 is 1225205331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1335025221 - 2³ = 1335025213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1335025191 and 1335025200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335025421) by changing a digit.

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, 1331860 + ... + 1332861.

It is an arithmetic number, because the mean of its divisors is an integer number (223836648).

Almost surely, 2^1335025221 is an apocalyptic number.

It is an amenable number.

1335025221 is a deficient number, since it is larger than the sum of its proper divisors (455667963).

1335025221 is a wasteful number, since it uses less digits than its factorization.

1335025221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664891.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1335025221 is about 36537.9969483824. The cubic root of 1335025221 is about 1101.1077603586.

The spelling of 1335025221 in words is "one billion, three hundred thirty-five million, twenty-five thousand, two hundred twenty-one".