557222501 has 8 divisors (see below), whose sum is σ = 628840800. Its totient is φ = 489097840.

The previous prime is 557222483. The next prime is 557222507. The reversal of 557222501 is 105222755.

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

It is a de Polignac number, because none of the positive numbers 2^k-557222501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557222507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873071 + ... + 873708.

It is an arithmetic number, because the mean of its divisors is an integer number (78605100).

Almost surely, 2^557222501 is an apocalyptic number.

It is an amenable number.

557222501 is a deficient number, since it is larger than the sum of its proper divisors (71618299).

557222501 is a wasteful number, since it uses less digits than its factorization.

557222501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746819.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 557222501 is about 23605.5608067252. The cubic root of 557222501 is about 822.8920786623.

The spelling of 557222501 in words is "five hundred fifty-seven million, two hundred twenty-two thousand, five hundred one".