1422630840 has 64 divisors (see below), whose sum is σ = 4279910400. Its totient is φ = 378300032.

The previous prime is 1422630829. The next prime is 1422630893. The reversal of 1422630840 is 480362241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1422630798 and 1422630807.

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, 26569 + ... + 59591.

It is an arithmetic number, because the mean of its divisors is an integer number (66873600).

Almost surely, 2^1422630840 is an apocalyptic number.

1422630840 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 1422630840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139955200).

1422630840 is an abundant number, since it is smaller than the sum of its proper divisors (2857279560).

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

1422630840 is a wasteful number, since it uses less digits than its factorization.

1422630840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33396 (or 33392 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1422630840 is about 37717.7788317393. The cubic root of 1422630840 is about 1124.6845772504.

The spelling of 1422630840 in words is "one billion, four hundred twenty-two million, six hundred thirty thousand, eight hundred forty".