42200557 has 4 divisors (see below), whose sum is σ = 48229216. Its totient is φ = 36171900.

The previous prime is 42200551. The next prime is 42200569. The reversal of 42200557 is 75500224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42200557 - 2⁷ = 42200429 is a prime.

It is a super-2 number, since 2×42200557² = 3561774022220498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014319 + ... + 3014332.

It is an arithmetic number, because the mean of its divisors is an integer number (12057304).

Almost surely, 2^42200557 is an apocalyptic number.

It is an amenable number.

42200557 is a deficient number, since it is larger than the sum of its proper divisors (6028659).

42200557 is an equidigital number, since it uses as much as digits as its factorization.

42200557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028658.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 42200557 is about 6496.1955789523. The cubic root of 42200557 is about 348.1550730241.

The spelling of 42200557 in words is "forty-two million, two hundred thousand, five hundred fifty-seven".