1982269422 has 240 divisors, whose sum is σ = 5462424000. Its totient is φ = 534957696.

The previous prime is 1982269417. The next prime is 1982269439. The reversal of 1982269422 is 2249622891.

It is a super-2 number, since 2×1982269422² = 7858784122792428168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18185904 + ... + 18186012.

It is an arithmetic number, because the mean of its divisors is an integer number (22760100).

Almost surely, 2^1982269422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982269422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731212000).

1982269422 is an abundant number, since it is smaller than the sum of its proper divisors (3480154578).

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

1982269422 is a wasteful number, since it uses less digits than its factorization.

1982269422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 229 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1982269422 is about 44522.6843530351. The cubic root of 1982269422 is about 1256.1868049298.

The spelling of 1982269422 in words is "one billion, nine hundred eighty-two million, two hundred sixty-nine thousand, four hundred twenty-two".