7122020422 has 8 divisors (see below), whose sum is σ = 11654215272. Its totient is φ = 3237282000.

The previous prime is 7122020407. The next prime is 7122020431. The reversal of 7122020422 is 2240202217.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 323728201 = 7122020422 / (7 + 1 + 2 + 2 + 0 + 2 + 0 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 7122020393 and 7122020402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161864079 + ... + 161864122.

It is an arithmetic number, because the mean of its divisors is an integer number (1456776909).

Almost surely, 2^7122020422 is an apocalyptic number.

7122020422 is a deficient number, since it is larger than the sum of its proper divisors (4532194850).

7122020422 is a wasteful number, since it uses less digits than its factorization.

7122020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323728214.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 7122020422 is about 84392.0637382450. The cubic root of 7122020422 is about 1923.9822964428.

Adding to 7122020422 its reverse (2240202217), we get a palindrome (9362222639).

The spelling of 7122020422 in words is "seven billion, one hundred twenty-two million, twenty thousand, four hundred twenty-two".