1455225219 has 48 divisors (see below), whose sum is σ = 2610350080. Its totient is φ = 762359040.

The previous prime is 1455225199. The next prime is 1455225229. The reversal of 1455225219 is 9125225541.

It is not a de Polignac number, because 1455225219 - 2⁹ = 1455224707 is a prime.

It is a super-2 number, since 2×1455225219² = 4235360876027195922, which contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17499 + ... + 56715.

Almost surely, 2^1455225219 is an apocalyptic number.

1455225219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1455225219 is a deficient number, since it is larger than the sum of its proper divisors (1155124861).

1455225219 is a wasteful number, since it uses less digits than its factorization.

1455225219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39280 (or 39277 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 1455225219 is about 38147.4143160451. The cubic root of 1455225219 is about 1133.2091454946.

The spelling of 1455225219 in words is "one billion, four hundred fifty-five million, two hundred twenty-five thousand, two hundred nineteen".