561222848 has 42 divisors (see below), whose sum is σ = 1153514076. Its totient is φ = 270909184.

The previous prime is 561222833. The next prime is 561222863. The reversal of 561222848 is 848222165.

It is an interprime number because it is at equal distance from previous prime (561222833) and next prime (561222863).

It is a super-2 number, since 2×561222848² = 629942170234462208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48611 + ... + 59037.

Almost surely, 2^561222848 is an apocalyptic number.

561222848 is a gapful number since it is divisible by the number (58) 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 561222848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576757038).

561222848 is an abundant number, since it is smaller than the sum of its proper divisors (592291228).

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

561222848 is a wasteful number, since it uses less digits than its factorization.

561222848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497 (or 10458 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 561222848 is about 23690.1424225352. The cubic root of 561222848 is about 824.8565887237.

The spelling of 561222848 in words is "five hundred sixty-one million, two hundred twenty-two thousand, eight hundred forty-eight".