2152266394 has 16 divisors (see below), whose sum is σ = 3386204928. Its totient is φ = 1024769232.

The previous prime is 2152266359. The next prime is 2152266397. The reversal of 2152266394 is 4936622512.

It is not an unprimeable number, because it can be changed into a prime (2152266397) 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 in 7 ways as a sum of consecutive naturals, for example, 305934 + ... + 312889.

It is an arithmetic number, because the mean of its divisors is an integer number (211637808).

Almost surely, 2^2152266394 is an apocalyptic number.

2152266394 is a deficient number, since it is larger than the sum of its proper divisors (1233938534).

2152266394 is a wasteful number, since it uses less digits than its factorization.

2152266394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618909.

The product of its digits is 155520, while the sum is 40.

The square root of 2152266394 is about 46392.5251953372. The cubic root of 2152266394 is about 1291.1162331351.

The spelling of 2152266394 in words is "two billion, one hundred fifty-two million, two hundred sixty-six thousand, three hundred ninety-four".