1422645852 has 48 divisors (see below), whose sum is σ = 3352212864. Its totient is φ = 469560000.

The previous prime is 1422645821. The next prime is 1422645911. The reversal of 1422645852 is 2585462241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422645852.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1101327 + ... + 1102617.

It is an arithmetic number, because the mean of its divisors is an integer number (69837768).

Almost surely, 2^1422645852 is an apocalyptic number.

1422645852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1422645852 is an abundant number, since it is smaller than the sum of its proper divisors (1929567012).

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

1422645852 is a wasteful number, since it uses less digits than its factorization.

1422645852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2128 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 1422645852 is about 37717.9778355097. The cubic root of 1422645852 is about 1124.6885332323.

The spelling of 1422645852 in words is "one billion, four hundred twenty-two million, six hundred forty-five thousand, eight hundred fifty-two".