1424001225 has 24 divisors (see below), whose sum is σ = 2378632480. Its totient is φ = 751633920.

The previous prime is 1424001221. The next prime is 1424001259. The reversal of 1424001225 is 5221004241.

It is not a de Polignac number, because 1424001225 - 2² = 1424001221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1424001221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90595 + ... + 105144.

Almost surely, 2^1424001225 is an apocalyptic number.

1424001225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424001225 is a deficient number, since it is larger than the sum of its proper divisors (954631255).

1424001225 is a wasteful number, since it uses less digits than its factorization.

1424001225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195849 (or 195844 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1424001225 is about 37735.9407594405. The cubic root of 1424001225 is about 1125.0455882761.

Adding to 1424001225 its reverse (5221004241), we get a palindrome (6645005466).

The spelling of 1424001225 in words is "one billion, four hundred twenty-four million, one thousand, two hundred twenty-five".