1385798022 has 192 divisors, whose sum is σ = 3795517440. Its totient is φ = 356529600.

The previous prime is 1385797957. The next prime is 1385798033. The reversal of 1385798022 is 2208975831.

It is a happy number.

It is a super-2 number, since 2×1385798022² = 3840872315558224968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5269063 + ... + 5269325.

It is an arithmetic number, because the mean of its divisors is an integer number (19768320).

Almost surely, 2^1385798022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385798022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897758720).

1385798022 is an abundant number, since it is smaller than the sum of its proper divisors (2409719418).

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

1385798022 is a wasteful number, since it uses less digits than its factorization.

1385798022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1385798022 is about 37226.3081972951. The cubic root of 1385798022 is about 1114.8933174958.

The spelling of 1385798022 in words is "one billion, three hundred eighty-five million, seven hundred ninety-eight thousand, twenty-two".