742222 has 8 divisors (see below), whose sum is σ = 1199016. Its totient is φ = 342552.

The previous prime is 742219. The next prime is 742229. The reversal of 742222 is 222247.

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

742222 is a modest number, since divided by 2222 gives 74 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 742222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14248 + ... + 14299.

It is an arithmetic number, because the mean of its divisors is an integer number (149877).

2⁷⁴²²²² is an apocalyptic number.

742222 is a deficient number, since it is larger than the sum of its proper divisors (456794).

742222 is a wasteful number, since it uses less digits than its factorization.

742222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562.

The product of its digits is 448, while the sum is 19.

The square root of 742222 is about 861.5230699175. The cubic root of 742222 is about 90.5408584063.

Adding to 742222 its reverse (222247), we get a palindrome (964469).

The spelling of 742222 in words is "seven hundred forty-two thousand, two hundred twenty-two", and thus it is an iban number.