2922729946 has 4 divisors (see below), whose sum is σ = 4384094922. Its totient is φ = 1461364972.

The previous prime is 2922729911. The next prime is 2922729961. The reversal of 2922729946 is 6499272292.

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., 2904024321 + 18705625 = 53889^2 + 4325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2922729893 and 2922729902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730682485 + ... + 730682488.

Almost surely, 2^2922729946 is an apocalyptic number.

2922729946 is a deficient number, since it is larger than the sum of its proper divisors (1461364976).

2922729946 is a wasteful number, since it uses less digits than its factorization.

2922729946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461364975.

The product of its digits is 1959552, while the sum is 52.

The square root of 2922729946 is about 54062.2784018580. The cubic root of 2922729946 is about 1429.7591890781.

The spelling of 2922729946 in words is "two billion, nine hundred twenty-two million, seven hundred twenty-nine thousand, nine hundred forty-six".