1380825822 has 16 divisors (see below), whose sum is σ = 2769850512. Its totient is φ = 458908800.

The previous prime is 1380825781. The next prime is 1380825863. The reversal of 1380825822 is 2285280831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1380825781) and next prime (1380825863).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339429 + ... + 343472.

It is an arithmetic number, because the mean of its divisors is an integer number (173115657).

Almost surely, 2^1380825822 is an apocalyptic number.

1380825822 is an abundant number, since it is smaller than the sum of its proper divisors (1389024690).

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

1380825822 is a wasteful number, since it uses less digits than its factorization.

1380825822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683243.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1380825822 is about 37159.4647700959. The cubic root of 1380825822 is about 1113.5583187808.

The spelling of 1380825822 in words is "one billion, three hundred eighty million, eight hundred twenty-five thousand, eight hundred twenty-two".