42202222 has 8 divisors (see below), whose sum is σ = 65345472. Its totient is φ = 20420400.

The previous prime is 42202213. The next prime is 42202229. The reversal of 42202222 is 22220224.

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

It is a super-3 number, since 3×42202222³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42202196 and 42202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42202229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340279 + ... + 340402.

It is an arithmetic number, because the mean of its divisors is an integer number (8168184).

Almost surely, 2^42202222 is an apocalyptic number.

42202222 is a deficient number, since it is larger than the sum of its proper divisors (23143250).

42202222 is a wasteful number, since it uses less digits than its factorization.

42202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680714.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42202222 is about 6496.3237296182. The cubic root of 42202222 is about 348.1596517202.

Adding to 42202222 its reverse (22220224), we get a palindrome (64422446).

It can be divided in two parts, 4220222 and 2, that added together give a palindrome (4220224).

The spelling of 42202222 in words is "forty-two million, two hundred two thousand, two hundred twenty-two".