542222587 has 4 divisors (see below), whose sum is σ = 543128400. Its totient is φ = 541316776.

The previous prime is 542222557. The next prime is 542222609. The reversal of 542222587 is 785222245.

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

It is a cyclic number.

It is not a de Polignac number, because 542222587 - 2¹⁵ = 542189819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542222557) 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, 452008 + ... + 453205.

It is an arithmetic number, because the mean of its divisors is an integer number (135782100).

Almost surely, 2^542222587 is an apocalyptic number.

542222587 is a deficient number, since it is larger than the sum of its proper divisors (905813).

542222587 is an equidigital number, since it uses as much as digits as its factorization.

542222587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905812.

The product of its digits is 89600, while the sum is 37.

The square root of 542222587 is about 23285.6734280974. The cubic root of 542222587 is about 815.4409833235.

The spelling of 542222587 in words is "five hundred forty-two million, two hundred twenty-two thousand, five hundred eighty-seven".