1455225223 has 4 divisors (see below), whose sum is σ = 1455849720. Its totient is φ = 1454600728.

The previous prime is 1455225199. The next prime is 1455225229. The reversal of 1455225223 is 3225225541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225225541 = 149 ⋅21645809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455225223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455225229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308740 + ... + 313417.

It is an arithmetic number, because the mean of its divisors is an integer number (363962430).

Almost surely, 2^1455225223 is an apocalyptic number.

1455225223 is a deficient number, since it is larger than the sum of its proper divisors (624497).

1455225223 is an equidigital number, since it uses as much as digits as its factorization.

1455225223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624496.

The product of its digits is 24000, while the sum is 31.

The square root of 1455225223 is about 38147.4143684733. The cubic root of 1455225223 is about 1133.2091465329.

The spelling of 1455225223 in words is "one billion, four hundred fifty-five million, two hundred twenty-five thousand, two hundred twenty-three".