464596221 has 4 divisors (see below), whose sum is σ = 619461632. Its totient is φ = 309730812.

The previous prime is 464596183. The next prime is 464596243. The reversal of 464596221 is 122695464.

It is a happy number.

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 not a de Polignac number, because 464596221 - 2¹⁴ = 464579837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 464596221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464596271) 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, 77432701 + ... + 77432706.

It is an arithmetic number, because the mean of its divisors is an integer number (154865408).

Almost surely, 2^464596221 is an apocalyptic number.

It is an amenable number.

464596221 is a deficient number, since it is larger than the sum of its proper divisors (154865411).

464596221 is a wasteful number, since it uses less digits than its factorization.

464596221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154865410.

The product of its digits is 103680, while the sum is 39.

The square root of 464596221 is about 21554.4942181439. The cubic root of 464596221 is about 774.5067807302.

The spelling of 464596221 in words is "four hundred sixty-four million, five hundred ninety-six thousand, two hundred twenty-one".