1422505125 has 32 divisors (see below), whose sum is σ = 2630060160. Its totient is φ = 758667600.

The previous prime is 1422505099. The next prime is 1422505169. The reversal of 1422505125 is 5215052241.

1422505125 is a `hidden beast` number, since 14 + 22 + 505 + 125 = 666.

It is not a de Polignac number, because 1422505125 - 2⁶ = 1422505061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207367 + ... + 214116.

It is an arithmetic number, because the mean of its divisors is an integer number (82189380).

Almost surely, 2^1422505125 is an apocalyptic number.

1422505125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422505125 is a deficient number, since it is larger than the sum of its proper divisors (1207555035).

1422505125 is an equidigital number, since it uses as much as digits as its factorization.

1422505125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421507 (or 421491 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1422505125 is about 37716.1122731387. The cubic root of 1422505125 is about 1124.6514475767.

Adding to 1422505125 its reverse (5215052241), we get a palindrome (6637557366).

The spelling of 1422505125 in words is "one billion, four hundred twenty-two million, five hundred five thousand, one hundred twenty-five".