454421111 has 4 divisors (see below), whose sum is σ = 454474800. Its totient is φ = 454367424.

The previous prime is 454421089. The next prime is 454421129. The reversal of 454421111 is 111124454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 454421111 - 2⁶ = 454421047 is a prime.

It is a super-2 number, since 2×454421111² = 412997092244948642, 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 (454421411) 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, 11051 + ... + 32108.

It is an arithmetic number, because the mean of its divisors is an integer number (113618700).

Almost surely, 2^454421111 is an apocalyptic number.

454421111 is a deficient number, since it is larger than the sum of its proper divisors (53689).

454421111 is a wasteful number, since it uses less digits than its factorization.

454421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53688.

The product of its digits is 640, while the sum is 23.

The square root of 454421111 is about 21317.1553214776. The cubic root of 454421111 is about 768.8108428192.

Adding to 454421111 its reverse (111124454), we get a palindrome (565545565).

The spelling of 454421111 in words is "four hundred fifty-four million, four hundred twenty-one thousand, one hundred eleven".