542364221 has 8 divisors (see below), whose sum is σ = 620040960. Its totient is φ = 464736528.

The previous prime is 542364197. The next prime is 542364223. The reversal of 542364221 is 122463245.

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 542364221 - 2⁶ = 542364157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542364223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15695 + ... + 36483.

It is an arithmetic number, because the mean of its divisors is an integer number (77505120).

Almost surely, 2^542364221 is an apocalyptic number.

It is an amenable number.

542364221 is a deficient number, since it is larger than the sum of its proper divisors (77676739).

542364221 is a wasteful number, since it uses less digits than its factorization.

542364221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523.

The product of its digits is 11520, while the sum is 29.

The square root of 542364221 is about 23288.7144557187. The cubic root of 542364221 is about 815.5119776079.

The spelling of 542364221 in words is "five hundred forty-two million, three hundred sixty-four thousand, two hundred twenty-one".