1350221250 has 80 divisors (see below), whose sum is σ = 3856615488. Its totient is φ = 308616000.

The previous prime is 1350221239. The next prime is 1350221267. The reversal of 1350221250 is 521220531.

1350221250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 532 + ... + 51968.

Almost surely, 2^1350221250 is an apocalyptic number.

1350221250 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 1350221250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928307744).

1350221250 is an abundant number, since it is smaller than the sum of its proper divisors (2506394238).

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

1350221250 is an equidigital number, since it uses as much as digits as its factorization.

1350221250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51469 (or 51454 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1350221250 is about 36745.3568495395. The cubic root of 1350221250 is about 1105.2698234769.

Adding to 1350221250 its reverse (521220531), we get a palindrome (1871441781).

The spelling of 1350221250 in words is "one billion, three hundred fifty million, two hundred twenty-one thousand, two hundred fifty".