1422265600 has 216 divisors, whose sum is σ = 4105987200. Its totient is φ = 477634560.

The previous prime is 1422265591. The next prime is 1422265633. The reversal of 1422265600 is 65622241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2374101 + ... + 2374699.

It is an arithmetic number, because the mean of its divisors is an integer number (19009200).

Almost surely, 2^1422265600 is an apocalyptic number.

1422265600 is a gapful number since it is divisible by the number (10) 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 1422265600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052993600).

1422265600 is an abundant number, since it is smaller than the sum of its proper divisors (2683721600).

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

1422265600 is an equidigital number, since it uses as much as digits as its factorization.

1422265600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1422265600 is about 37712.9367724127. The cubic root of 1422265600 is about 1124.5883201511.

Adding to 1422265600 its reverse (65622241), we get a palindrome (1487887841).

The spelling of 1422265600 in words is "one billion, four hundred twenty-two million, two hundred sixty-five thousand, six hundred".