2122945467 has 4 divisors (see below), whose sum is σ = 2830593960. Its totient is φ = 1415296976.

The previous prime is 2122945457. The next prime is 2122945469. The reversal of 2122945467 is 7645492212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122945467 - 2⁶ = 2122945403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122945469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353824242 + ... + 353824247.

It is an arithmetic number, because the mean of its divisors is an integer number (707648490).

Almost surely, 2^2122945467 is an apocalyptic number.

2122945467 is a deficient number, since it is larger than the sum of its proper divisors (707648493).

2122945467 is an equidigital number, since it uses as much as digits as its factorization.

2122945467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707648492.

The product of its digits is 241920, while the sum is 42.

The square root of 2122945467 is about 46075.4323582536. The cubic root of 2122945467 is about 1285.2263258131.

The spelling of 2122945467 in words is "two billion, one hundred twenty-two million, nine hundred forty-five thousand, four hundred sixty-seven".