464574221 has 4 divisors (see below), whose sum is σ = 464617344. Its totient is φ = 464531100.

The previous prime is 464574191. The next prime is 464574251. The reversal of 464574221 is 122475464.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (464574191) and next prime (464574251).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464574221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464574251) 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, 9956 + ... + 32066.

It is an arithmetic number, because the mean of its divisors is an integer number (116154336).

Almost surely, 2^464574221 is an apocalyptic number.

It is an amenable number.

464574221 is a deficient number, since it is larger than the sum of its proper divisors (43123).

464574221 is a wasteful number, since it uses less digits than its factorization.

464574221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43122.

The product of its digits is 53760, while the sum is 35.

The square root of 464574221 is about 21553.9838776965. The cubic root of 464574221 is about 774.4945554779.

The spelling of 464574221 in words is "four hundred sixty-four million, five hundred seventy-four thousand, two hundred twenty-one".