222150542 has 8 divisors (see below), whose sum is σ = 336175056. Its totient is φ = 110092192.

The previous prime is 222150541. The next prime is 222150571. The reversal of 222150542 is 245051222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222150541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491258 + ... + 491709.

It is an arithmetic number, because the mean of its divisors is an integer number (42021882).

Almost surely, 2^222150542 is an apocalyptic number.

222150542 is a deficient number, since it is larger than the sum of its proper divisors (114024514).

222150542 is a wasteful number, since it uses less digits than its factorization.

222150542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983082.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 222150542 is about 14904.7154283468. The cubic root of 222150542 is about 605.6417314698.

The spelling of 222150542 in words is "two hundred twenty-two million, one hundred fifty thousand, five hundred forty-two".