222071742 has 12 divisors (see below), whose sum is σ = 481155480. Its totient is φ = 74023908.

The previous prime is 222071723. The next prime is 222071747. The reversal of 222071742 is 247170222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222071747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6168642 + ... + 6168677.

It is an arithmetic number, because the mean of its divisors is an integer number (40096290).

Almost surely, 2^222071742 is an apocalyptic number.

222071742 is an abundant number, since it is smaller than the sum of its proper divisors (259083738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222071742 is a wasteful number, since it uses less digits than its factorization.

222071742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337327 (or 12337324 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 222071742 is about 14902.0717351649. The cubic root of 222071742 is about 605.5701130499.

The spelling of 222071742 in words is "two hundred twenty-two million, seventy-one thousand, seven hundred forty-two".