1395922444 has 24 divisors (see below), whose sum is σ = 2802981888. Its totient is φ = 595866000.

The previous prime is 1395922433. The next prime is 1395922447. The reversal of 1395922444 is 4442295931.

It is a self number, because there is not a number n which added to its sum of digits gives 1395922444.

It is not an unprimeable number, because it can be changed into a prime (1395922447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92284 + ... + 106339.

It is an arithmetic number, because the mean of its divisors is an integer number (116790912).

Almost surely, 2^1395922444 is an apocalyptic number.

1395922444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1395922444 is an abundant number, since it is smaller than the sum of its proper divisors (1407059444).

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

1395922444 is a wasteful number, since it uses less digits than its factorization.

1395922444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198885 (or 198883 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 1395922444 is about 37362.0455007485. The cubic root of 1395922444 is about 1117.6018105288.

The spelling of 1395922444 in words is "one billion, three hundred ninety-five million, nine hundred twenty-two thousand, four hundred forty-four".