1147225380 has 192 divisors, whose sum is σ = 3791800320. Its totient is φ = 253725696.

The previous prime is 1147225319. The next prime is 1147225427. The reversal of 1147225380 is 835227411.

It is a super-2 number, since 2×1147225380² = 2632252145032288800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2510112 + ... + 2510568.

It is an arithmetic number, because the mean of its divisors is an integer number (19748960).

Almost surely, 2^1147225380 is an apocalyptic number.

1147225380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147225380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1895900160).

1147225380 is an abundant number, since it is smaller than the sum of its proper divisors (2644574940).

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

1147225380 is a wasteful number, since it uses less digits than its factorization.

1147225380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1147225380 is about 33870.7156700298. The cubic root of 1147225380 is about 1046.8462832013.

The spelling of 1147225380 in words is "one billion, one hundred forty-seven million, two hundred twenty-five thousand, three hundred eighty".