542224641221 has 8 divisors (see below), whose sum is σ = 556931112960. Its totient is φ = 527520893328.

The previous prime is 542224641199. The next prime is 542224641241. The reversal of 542224641221 is 122146422245.

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 542224641221 - 2¹⁰ = 542224640197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542224641241) 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, 274181 + ... + 1076858.

It is an arithmetic number, because the mean of its divisors is an integer number (69616389120).

Almost surely, 2^542224641221 is an apocalyptic number.

It is an amenable number.

542224641221 is a deficient number, since it is larger than the sum of its proper divisors (14706471739).

542224641221 is a wasteful number, since it uses less digits than its factorization.

542224641221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361923.

The product of its digits is 61440, while the sum is 35.

The spelling of 542224641221 in words is "five hundred forty-two billion, two hundred twenty-four million, six hundred forty-one thousand, two hundred twenty-one".