1322566098 has 64 divisors (see below), whose sum is σ = 3191623680. Its totient is φ = 357909840.

The previous prime is 1322566087. The next prime is 1322566099. The reversal of 1322566098 is 8906652231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1322566099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285783 + ... + 290373.

It is an arithmetic number, because the mean of its divisors is an integer number (49869120).

Almost surely, 2^1322566098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322566098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595811840).

1322566098 is an abundant number, since it is smaller than the sum of its proper divisors (1869057582).

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

1322566098 is an equidigital number, since it uses as much as digits as its factorization.

1322566098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1322566098 is about 36367.1018641849. The cubic root of 1322566098 is about 1097.6716862738.

The spelling of 1322566098 in words is "one billion, three hundred twenty-two million, five hundred sixty-six thousand, ninety-eight".