1422099072 has 128 divisors (see below), whose sum is σ = 4210315200. Its totient is φ = 472550400.

The previous prime is 1422099067. The next prime is 1422099073. The reversal of 1422099072 is 2709902241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1422099072² = 4044731541166522368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1422099073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028322 + ... + 2029022.

Almost surely, 2^1422099072 is an apocalyptic number.

1422099072 is a gapful number since it is divisible by the number (12) 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 1422099072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105157600).

1422099072 is an abundant number, since it is smaller than the sum of its proper divisors (2788216128).

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

1422099072 is an equidigital number, since it uses as much as digits as its factorization.

1422099072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1422099072 is about 37710.7288712377. The cubic root of 1422099072 is about 1124.5444270945.

The spelling of 1422099072 in words is "one billion, four hundred twenty-two million, ninety-nine thousand, seventy-two".