542390222 has 8 divisors (see below), whose sum is σ = 887547672. Its totient is φ = 246541000.

The previous prime is 542390197. The next prime is 542390231. The reversal of 542390222 is 222093245.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12327029 + ... + 12327072.

It is an arithmetic number, because the mean of its divisors is an integer number (110943459).

Almost surely, 2^542390222 is an apocalyptic number.

542390222 is a deficient number, since it is larger than the sum of its proper divisors (345157450).

542390222 is a wasteful number, since it uses less digits than its factorization.

542390222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24654114.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 542390222 is about 23289.2726807859. The cubic root of 542390222 is about 815.5250093107.

The spelling of 542390222 in words is "five hundred forty-two million, three hundred ninety thousand, two hundred twenty-two".