450227919 has 4 divisors (see below), whose sum is σ = 600303896. Its totient is φ = 300151944.

The previous prime is 450227917. The next prime is 450227927. The reversal of 450227919 is 919722054.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 450227919 - 2¹ = 450227917 is a prime.

It is a super-2 number, since 2×450227919² = 405410358094141122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450227917) 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, 75037984 + ... + 75037989.

It is an arithmetic number, because the mean of its divisors is an integer number (150075974).

Almost surely, 2^450227919 is an apocalyptic number.

450227919 is a deficient number, since it is larger than the sum of its proper divisors (150075977).

450227919 is a wasteful number, since it uses less digits than its factorization.

450227919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150075976.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 450227919 is about 21218.5748578928. The cubic root of 450227919 is about 766.4387857274.

The spelling of 450227919 in words is "four hundred fifty million, two hundred twenty-seven thousand, nine hundred nineteen".