1425013224 has 32 divisors (see below), whose sum is σ = 3750036000. Its totient is φ = 450004032.

The previous prime is 1425013211. The next prime is 1425013229. The reversal of 1425013224 is 4223105241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1425013194 and 1425013203.

It is not an unprimeable number, because it can be changed into a prime (1425013229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562059 + ... + 1562970.

It is an arithmetic number, because the mean of its divisors is an integer number (117188625).

Almost surely, 2^1425013224 is an apocalyptic number.

It is an amenable number.

1425013224 is an abundant number, since it is smaller than the sum of its proper divisors (2325022776).

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

1425013224 is a wasteful number, since it uses less digits than its factorization.

1425013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125057 (or 3125053 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1425013224 is about 37749.3473321063. The cubic root of 1425013224 is about 1125.3120382823.

Adding to 1425013224 its reverse (4223105241), we get a palindrome (5648118465).

The spelling of 1425013224 in words is "one billion, four hundred twenty-five million, thirteen thousand, two hundred twenty-four".