1425999224 has 16 divisors (see below), whose sum is σ = 2879421720. Its totient is φ = 658153440.

The previous prime is 1425999209. The next prime is 1425999227. The reversal of 1425999224 is 4229995241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425999227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6855662 + ... + 6855869.

Almost surely, 2^1425999224 is an apocalyptic number.

It is an amenable number.

1425999224 is an abundant number, since it is smaller than the sum of its proper divisors (1453422496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425999224 is a wasteful number, since it uses less digits than its factorization.

1425999224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711550 (or 13711546 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 1425999224 is about 37762.4049022305. The cubic root of 1425999224 is about 1125.5715216891.

The spelling of 1425999224 in words is "one billion, four hundred twenty-five million, nine hundred ninety-nine thousand, two hundred twenty-four".