1022420122 has 4 divisors (see below), whose sum is σ = 1533630186. Its totient is φ = 511210060.

The previous prime is 1022420117. The next prime is 1022420131. The reversal of 1022420122 is 2210242201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210242201 = 23 ⋅96097487.

It can be written as a sum of positive squares in only one way, i.e., 1021377681 + 1042441 = 31959^2 + 1021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022420096 and 1022420105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255605029 + ... + 255605032.

Almost surely, 2^1022420122 is an apocalyptic number.

1022420122 is a deficient number, since it is larger than the sum of its proper divisors (511210064).

1022420122 is an equidigital number, since it uses as much as digits as its factorization.

1022420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511210063.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1022420122 is about 31975.3048773581. The cubic root of 1022420122 is about 1007.4182081142.

Adding to 1022420122 its reverse (2210242201), we get a palindrome (3232662323).

The spelling of 1022420122 in words is "one billion, twenty-two million, four hundred twenty thousand, one hundred twenty-two".