1422520240 has 40 divisors (see below), whose sum is σ = 3312274608. Its totient is φ = 568162560.

The previous prime is 1422520217. The next prime is 1422520249. The reversal of 1422520240 is 420252241.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1422520249) 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 7 ways as a sum of consecutive naturals, for example, 42414 + ... + 68146.

Almost surely, 2^1422520240 is an apocalyptic number.

1422520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422520240 is an abundant number, since it is smaller than the sum of its proper divisors (1889754368).

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

1422520240 is a wasteful number, since it uses less digits than its factorization.

1422520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26437 (or 26431 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1422520240 is about 37716.3126511593. The cubic root of 1422520240 is about 1124.6554309358.

Adding to 1422520240 its reverse (420252241), we get a palindrome (1842772481).

The spelling of 1422520240 in words is "one billion, four hundred twenty-two million, five hundred twenty thousand, two hundred forty".