42222219 has 8 divisors (see below), whose sum is σ = 60626832. Its totient is φ = 25982880.

The previous prime is 42222139. The next prime is 42222221. The reversal of 42222219 is 91222224.

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

It is not a de Polignac number, because 42222219 - 2⁷ = 42222091 is a prime.

It is a super-2 number, since 2×42222219² = 3565431554567922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42222239) 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, 541272 + ... + 541349.

It is an arithmetic number, because the mean of its divisors is an integer number (7578354).

Almost surely, 2^42222219 is an apocalyptic number.

42222219 is a deficient number, since it is larger than the sum of its proper divisors (18404613).

42222219 is a wasteful number, since it uses less digits than its factorization.

42222219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082637.

The product of its digits is 1152, while the sum is 24.

The square root of 42222219 is about 6497.8626485945. The cubic root of 42222219 is about 348.2146334160.

It can be divided in two parts, 4222 and 2219, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 42222219 in words is "forty-two million, two hundred twenty-two thousand, two hundred nineteen".