477221449 has 8 divisors (see below), whose sum is σ = 490415688. Its totient is φ = 464042880.

The previous prime is 477221431. The next prime is 477221489. The reversal of 477221449 is 944122774.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17424 + 477204025 = 132^2 + 21845^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 477221449 - 2¹¹ = 477219401 is a prime.

It is a super-2 number, since 2×477221449² = 455480622771319202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477221489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85389 + ... + 90805.

It is an arithmetic number, because the mean of its divisors is an integer number (61301961).

Almost surely, 2^477221449 is an apocalyptic number.

It is an amenable number.

477221449 is a deficient number, since it is larger than the sum of its proper divisors (13194239).

477221449 is a wasteful number, since it uses less digits than its factorization.

477221449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

The product of its digits is 112896, while the sum is 40.

The square root of 477221449 is about 21845.3988061560. The cubic root of 477221449 is about 781.4598176588.

The spelling of 477221449 in words is "four hundred seventy-seven million, two hundred twenty-one thousand, four hundred forty-nine".