422022012 has 48 divisors (see below), whose sum is σ = 1013628672. Its totient is φ = 136604160.

The previous prime is 422022011. The next prime is 422022019. The reversal of 422022012 is 210220224.

It is a super-2 number, since 2×422022012² = 356205157225056288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422021982 and 422022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422022011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53388 + ... + 60780.

It is an arithmetic number, because the mean of its divisors is an integer number (21117264).

Almost surely, 2^422022012 is an apocalyptic number.

It is an amenable number.

422022012 is an abundant number, since it is smaller than the sum of its proper divisors (591606660).

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

422022012 is a wasteful number, since it uses less digits than its factorization.

422022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538 (or 7536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 422022012 is about 20543.1743408851. The cubic root of 422022012 is about 750.0871081047.

Adding to 422022012 its reverse (210220224), we get a palindrome (632242236).

The spelling of 422022012 in words is "four hundred twenty-two million, twenty-two thousand, twelve".