1298502228 has 48 divisors (see below), whose sum is σ = 3216507840. Its totient is φ = 406301184.

The previous prime is 1298502221. The next prime is 1298502251. The reversal of 1298502228 is 8222058921.

It is a super-2 number, since 2×1298502228² = 3372216072241927968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298502221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71175 + ... + 87537.

It is an arithmetic number, because the mean of its divisors is an integer number (67010580).

Almost surely, 2^1298502228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298502228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608253920).

1298502228 is an abundant number, since it is smaller than the sum of its proper divisors (1918005612).

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

1298502228 is a wasteful number, since it uses less digits than its factorization.

1298502228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776 (or 16774 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1298502228 is about 36034.7364080827. The cubic root of 1298502228 is about 1090.9735789883.

The spelling of 1298502228 in words is "one billion, two hundred ninety-eight million, five hundred two thousand, two hundred twenty-eight".