2497221896 has 16 divisors (see below), whose sum is σ = 5042467500. Its totient is φ = 1152563904.

The previous prime is 2497221877. The next prime is 2497221901. The reversal of 2497221896 is 6981227942.

It can be written as a sum of positive squares in 2 ways, for example, as 2478645796 + 18576100 = 49786^2 + 4310^2 .

It is a super-2 number, since 2×2497221896² = 12472234395723669632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12005771 + ... + 12005978.

Almost surely, 2^2497221896 is an apocalyptic number.

2497221896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2497221896 is an abundant number, since it is smaller than the sum of its proper divisors (2545245604).

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

2497221896 is a wasteful number, since it uses less digits than its factorization.

2497221896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24011768 (or 24011764 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 2497221896 is about 49972.2112378470. The cubic root of 2497221896 is about 1356.7058930021.

The spelling of 2497221896 in words is "two billion, four hundred ninety-seven million, two hundred twenty-one thousand, eight hundred ninety-six".