4265405221 has 16 divisors (see below), whose sum is σ = 5336085888. Its totient is φ = 3312331200.

The previous prime is 4265405219. The next prime is 4265405233. The reversal of 4265405221 is 1225045624.

It is a cyclic number.

It is not a de Polignac number, because 4265405221 - 2¹ = 4265405219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4265405201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71970 + ... + 117091.

It is an arithmetic number, because the mean of its divisors is an integer number (333505368).

Almost surely, 2^4265405221 is an apocalyptic number.

It is an amenable number.

4265405221 is a deficient number, since it is larger than the sum of its proper divisors (1070680667).

4265405221 is a wasteful number, since it uses less digits than its factorization.

4265405221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189372.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4265405221 is about 65310.0698284729. The cubic root of 4265405221 is about 1621.7606754114.

The spelling of 4265405221 in words is "four billion, two hundred sixty-five million, four hundred five thousand, two hundred twenty-one".