1422865752 has 128 divisors (see below), whose sum is σ = 4465152000. Its totient is φ = 367056000.

The previous prime is 1422865729. The next prime is 1422865781. The reversal of 1422865752 is 2575682241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276499 + ... + 281597.

It is an arithmetic number, because the mean of its divisors is an integer number (34884000).

Almost surely, 2^1422865752 is an apocalyptic number.

1422865752 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 1422865752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232576000).

1422865752 is an abundant number, since it is smaller than the sum of its proper divisors (3042286248).

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

1422865752 is a wasteful number, since it uses less digits than its factorization.

1422865752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277 (or 5273 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 1422865752 is about 37720.8927784060. The cubic root of 1422865752 is about 1124.7464783787.

The spelling of 1422865752 in words is "one billion, four hundred twenty-two million, eight hundred sixty-five thousand, seven hundred fifty-two".