1422107280 has 400 divisors, whose sum is σ = 5483541888. Its totient is φ = 338688000.

The previous prime is 1422107261. The next prime is 1422107287. The reversal of 1422107280 is 827012241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1422107287) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5060740 + ... + 5061020.

Almost surely, 2^1422107280 is an apocalyptic number.

1422107280 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 1422107280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741770944).

1422107280 is an abundant number, since it is smaller than the sum of its proper divisors (4061434608).

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

1422107280 is a wasteful number, since it uses less digits than its factorization.

1422107280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 1422107280 is about 37710.8376995261. The cubic root of 1422107280 is about 1124.5465906200.

The spelling of 1422107280 in words is "one billion, four hundred twenty-two million, one hundred seven thousand, two hundred eighty".