1018422122 has 4 divisors (see below), whose sum is σ = 1527633186. Its totient is φ = 509211060.

The previous prime is 1018422121. The next prime is 1018422127. The reversal of 1018422122 is 2212248101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2212248101 = 7 ⋅316035443.

It can be written as a sum of positive squares in only one way, i.e., 848615161 + 169806961 = 29131^2 + 13031^2 .

It is not an unprimeable number, because it can be changed into a prime (1018422121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254605529 + ... + 254605532.

Almost surely, 2^1018422122 is an apocalyptic number.

1018422122 is a deficient number, since it is larger than the sum of its proper divisors (509211064).

1018422122 is an equidigital number, since it uses as much as digits as its factorization.

1018422122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509211063.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1018422122 is about 31912.7266462770. The cubic root of 1018422122 is about 1006.1033802961.

The spelling of 1018422122 in words is "one billion, eighteen million, four hundred twenty-two thousand, one hundred twenty-two".