1422881540 has 12 divisors (see below), whose sum is σ = 2988051276. Its totient is φ = 569152608.

The previous prime is 1422881527. The next prime is 1422881563. The reversal of 1422881540 is 451882241.

It can be written as a sum of positive squares in 2 ways, for example, as 735602884 + 687278656 = 27122^2 + 26216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1422881540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35572019 + ... + 35572058.

It is an arithmetic number, because the mean of its divisors is an integer number (249004273).

Almost surely, 2^1422881540 is an apocalyptic number.

1422881540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422881540 is an abundant number, since it is smaller than the sum of its proper divisors (1565169736).

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

1422881540 is a wasteful number, since it uses less digits than its factorization.

1422881540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71144086 (or 71144084 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 1422881540 is about 37721.1020517694. The cubic root of 1422881540 is about 1124.7506383944.

The spelling of 1422881540 in words is "one billion, four hundred twenty-two million, eight hundred eighty-one thousand, five hundred forty".