1422913440 has 192 divisors, whose sum is σ = 4958222976. Its totient is φ = 340733952.

The previous prime is 1422913433. The next prime is 1422913493. The reversal of 1422913440 is 443192241.

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 = 1422913398 and 1422913407.

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, 227799 + ... + 233961.

It is an arithmetic number, because the mean of its divisors is an integer number (25824078).

Almost surely, 2^1422913440 is an apocalyptic number.

1422913440 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 1422913440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479111488).

1422913440 is an abundant number, since it is smaller than the sum of its proper divisors (3535309536).

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

1422913440 is a wasteful number, since it uses less digits than its factorization.

1422913440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231 (or 6223 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1422913440 is about 37721.5248896436. The cubic root of 1422913440 is about 1124.7590437035.

The spelling of 1422913440 in words is "one billion, four hundred twenty-two million, nine hundred thirteen thousand, four hundred forty".