1422625215 has 16 divisors (see below), whose sum is σ = 2483127936. Its totient is φ = 689757600.

The previous prime is 1422625207. The next prime is 1422625223. The reversal of 1422625215 is 5125262241.

It is an interprime number because it is at equal distance from previous prime (1422625207) and next prime (1422625223).

It is not a de Polignac number, because 1422625215 - 2³ = 1422625207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4310821 + ... + 4311150.

It is an arithmetic number, because the mean of its divisors is an integer number (155195496).

Almost surely, 2^1422625215 is an apocalyptic number.

1422625215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1422625215 is a deficient number, since it is larger than the sum of its proper divisors (1060502721).

1422625215 is a wasteful number, since it uses less digits than its factorization.

1422625215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621990.

The product of its digits is 9600, while the sum is 30.

The square root of 1422625215 is about 37717.7042647084. The cubic root of 1422625215 is about 1124.6830949359.

Adding to 1422625215 its reverse (5125262241), we get a palindrome (6547887456).

The spelling of 1422625215 in words is "one billion, four hundred twenty-two million, six hundred twenty-five thousand, two hundred fifteen".