452221155 has 12 divisors (see below), whose sum is σ = 783850080. Its totient is φ = 241184592.

The previous prime is 452221111. The next prime is 452221213. The reversal of 452221155 is 551122254.

It is not a de Polignac number, because 452221155 - 2¹⁹ = 451696867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5024635 + ... + 5024724.

It is an arithmetic number, because the mean of its divisors is an integer number (65320840).

Almost surely, 2^452221155 is an apocalyptic number.

452221155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

452221155 is a deficient number, since it is larger than the sum of its proper divisors (331628925).

452221155 is a wasteful number, since it uses less digits than its factorization.

452221155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049370 (or 10049367 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 452221155 is about 21265.4921175128. The cubic root of 452221155 is about 767.5681725635.

The spelling of 452221155 in words is "four hundred fifty-two million, two hundred twenty-one thousand, one hundred fifty-five".