1303222578 has 128 divisors (see below), whose sum is σ = 3268608000. Its totient is φ = 338022720.

The previous prime is 1303222541. The next prime is 1303222579. The reversal of 1303222578 is 8752223031.

It is not an unprimeable number, because it can be changed into a prime (1303222579) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3438393 + ... + 3438771.

It is an arithmetic number, because the mean of its divisors is an integer number (25536000).

Almost surely, 2^1303222578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303222578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634304000).

1303222578 is an abundant number, since it is smaller than the sum of its proper divisors (1965385422).

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

1303222578 is a wasteful number, since it uses less digits than its factorization.

1303222578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1303222578 is about 36100.1742101060. The cubic root of 1303222578 is about 1092.2939590878.

The spelling of 1303222578 in words is "one billion, three hundred three million, two hundred twenty-two thousand, five hundred seventy-eight".