2164226404 has 12 divisors (see below), whose sum is σ = 3788088444. Its totient is φ = 1081915424.

The previous prime is 2164226371. The next prime is 2164226443. The reversal of 2164226404 is 4046224612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 879003904 + 1285222500 = 29648^2 + 35850^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 23287 + ... + 69790.

It is an arithmetic number, because the mean of its divisors is an integer number (315674037).

Almost surely, 2^2164226404 is an apocalyptic number.

It is an amenable number.

2164226404 is a deficient number, since it is larger than the sum of its proper divisors (1623862040).

2164226404 is a wasteful number, since it uses less digits than its factorization.

2164226404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98894 (or 98892 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 2164226404 is about 46521.2468018646. The cubic root of 2164226404 is about 1293.5033676318.

The spelling of 2164226404 in words is "two billion, one hundred sixty-four million, two hundred twenty-six thousand, four hundred four".