2022218434 has 4 divisors (see below), whose sum is σ = 3033327654. Its totient is φ = 1011109216.

The previous prime is 2022218423. The next prime is 2022218437. The reversal of 2022218434 is 4348122202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4348122202 = 2 ⋅2174061101.

It can be written as a sum of positive squares in only one way, i.e., 1460386225 + 561832209 = 38215^2 + 23703^2 .

It is not an unprimeable number, because it can be changed into a prime (2022218437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505554607 + ... + 505554610.

Almost surely, 2^2022218434 is an apocalyptic number.

2022218434 is a deficient number, since it is larger than the sum of its proper divisors (1011109220).

2022218434 is a wasteful number, since it uses less digits than its factorization.

2022218434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011109219.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2022218434 is about 44969.0830904967. The cubic root of 2022218434 is about 1264.5694575477.

The spelling of 2022218434 in words is "two billion, twenty-two million, two hundred eighteen thousand, four hundred thirty-four".