601222561 has 8 divisors (see below), whose sum is σ = 636871680. Its totient is φ = 565604928.

The previous prime is 601222547. The next prime is 601222571. The reversal of 601222561 is 165222106.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 601222561 - 2¹⁵ = 601189793 is a prime.

It is a super-2 number, since 2×601222561² = 722937135710797442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601222541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39720 + ... + 52726.

It is an arithmetic number, because the mean of its divisors is an integer number (79608960).

Almost surely, 2^601222561 is an apocalyptic number.

It is an amenable number.

601222561 is a deficient number, since it is larger than the sum of its proper divisors (35649119).

601222561 is a wasteful number, since it uses less digits than its factorization.

601222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15743.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 601222561 is about 24519.8401503762. The cubic root of 601222561 is about 844.0051365897.

Adding to 601222561 its reverse (165222106), we get a palindrome (766444667).

The spelling of 601222561 in words is "six hundred one million, two hundred twenty-two thousand, five hundred sixty-one".