2122945466 has 4 divisors (see below), whose sum is σ = 3184418202. Its totient is φ = 1061472732.

The previous prime is 2122945457. The next prime is 2122945469. The reversal of 2122945466 is 6645492212.

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

It can be written as a sum of positive squares in only one way, i.e., 2072889841 + 50055625 = 45529^2 + 7075^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530736365 + ... + 530736368.

Almost surely, 2^2122945466 is an apocalyptic number.

2122945466 is a deficient number, since it is larger than the sum of its proper divisors (1061472736).

2122945466 is a wasteful number, since it uses less digits than its factorization.

2122945466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061472735.

The product of its digits is 207360, while the sum is 41.

The square root of 2122945466 is about 46075.4323474018. The cubic root of 2122945466 is about 1285.2263256113.

The spelling of 2122945466 in words is "two billion, one hundred twenty-two million, nine hundred forty-five thousand, four hundred sixty-six".