561552022 has 4 divisors (see below), whose sum is σ = 842328036. Its totient is φ = 280776010.

The previous prime is 561552001. The next prime is 561552037. The reversal of 561552022 is 220255165.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140388004 + ... + 140388007.

It is an arithmetic number, because the mean of its divisors is an integer number (210582009).

Almost surely, 2^561552022 is an apocalyptic number.

561552022 is a deficient number, since it is larger than the sum of its proper divisors (280776014).

561552022 is a wasteful number, since it uses less digits than its factorization.

561552022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280776013.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 561552022 is about 23697.0888929421. The cubic root of 561552022 is about 825.0178248980.

The spelling of 561552022 in words is "five hundred sixty-one million, five hundred fifty-two thousand, twenty-two".