42022022 has 16 divisors (see below), whose sum is σ = 72191520. Its totient is φ = 17971008.

The previous prime is 42021997. The next prime is 42022031. The reversal of 42022022 is 22022024.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 42021988 and 42022006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4178 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (4511970).

Almost surely, 2^42022022 is an apocalyptic number.

42022022 is a deficient number, since it is larger than the sum of its proper divisors (30169498).

42022022 is a wasteful number, since it uses less digits than its factorization.

42022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 42022022 is about 6482.4395099376. The cubic root of 42022022 is about 347.6634070947.

Adding to 42022022 its reverse (22022024), we get a palindrome (64044046).

The spelling of 42022022 in words is "forty-two million, twenty-two thousand, twenty-two".