1422564312 has 64 divisors (see below), whose sum is σ = 3867252480. Its totient is φ = 433452672.

The previous prime is 1422564293. The next prime is 1422564379. The reversal of 1422564312 is 2134652241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422564312.

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, 10003 + ... + 54269.

It is an arithmetic number, because the mean of its divisors is an integer number (60425820).

Almost surely, 2^1422564312 is an apocalyptic number.

1422564312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422564312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933626240).

1422564312 is an abundant number, since it is smaller than the sum of its proper divisors (2444688168).

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

1422564312 is a wasteful number, since it uses less digits than its factorization.

1422564312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44392 (or 44388 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1422564312 is about 37716.8969031123. The cubic root of 1422564312 is about 1124.6670453698.

The spelling of 1422564312 in words is "one billion, four hundred twenty-two million, five hundred sixty-four thousand, three hundred twelve".