1365422250 has 96 divisors (see below), whose sum is σ = 3473466048. Its totient is φ = 357256800.

The previous prime is 1365422161. The next prime is 1365422291. The reversal of 1365422250 is 522245631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2610489 + ... + 2611011.

It is an arithmetic number, because the mean of its divisors is an integer number (36181938).

Almost surely, 2^1365422250 is an apocalyptic number.

1365422250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1365422250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736733024).

1365422250 is an abundant number, since it is smaller than the sum of its proper divisors (2108043798).

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

1365422250 is an equidigital number, since it uses as much as digits as its factorization.

1365422250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1365422250 is about 36951.6203974873. The cubic root of 1365422250 is about 1109.4021210059.

Adding to 1365422250 its reverse (522245631), we get a palindrome (1887667881).

The spelling of 1365422250 in words is "one billion, three hundred sixty-five million, four hundred twenty-two thousand, two hundred fifty".