3457404221 has 4 divisors (see below), whose sum is σ = 3468666432. Its totient is φ = 3446142012.

The previous prime is 3457404211. The next prime is 3457404289. The reversal of 3457404221 is 1224047543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3457404221 - 2¹⁰ = 3457403197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457404211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630645 + ... + 5631258.

It is an arithmetic number, because the mean of its divisors is an integer number (867166608).

Almost surely, 2^3457404221 is an apocalyptic number.

It is an amenable number.

3457404221 is a deficient number, since it is larger than the sum of its proper divisors (11262211).

3457404221 is a wasteful number, since it uses less digits than its factorization.

3457404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262210.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 3457404221 is about 58799.6957560156. The cubic root of 3457404221 is about 1512.1100015443.

The spelling of 3457404221 in words is "three billion, four hundred fifty-seven million, four hundred four thousand, two hundred twenty-one".