1422938880 has 576 divisors, whose sum is σ = 5827852800. Its totient is φ = 325140480.

The previous prime is 1422938873. The next prime is 1422938893. The reversal of 1422938880 is 888392241.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7222942 + ... + 7223138.

It is an arithmetic number, because the mean of its divisors is an integer number (10117800).

Almost surely, 2^1422938880 is an apocalyptic number.

1422938880 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 1422938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2913926400).

1422938880 is an abundant number, since it is smaller than the sum of its proper divisors (4404913920).

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

1422938880 is a wasteful number, since it uses less digits than its factorization.

1422938880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1422938880 is about 37721.8620961373. The cubic root of 1422938880 is about 1124.7657467815.

The spelling of 1422938880 in words is "one billion, four hundred twenty-two million, nine hundred thirty-eight thousand, eight hundred eighty".