1922449226 has 8 divisors (see below), whose sum is σ = 2889340740. Its totient is φ = 959335648.

The previous prime is 1922449223. The next prime is 1922449271. The reversal of 1922449226 is 6229442291.

It can be written as a sum of positive squares in 2 ways, for example, as 1908379225 + 14070001 = 43685^2 + 3751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1922449226² = 7391622053095998152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1922449223) by changing a digit.

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, 943211 + ... + 945246.

Almost surely, 2^1922449226 is an apocalyptic number.

1922449226 is a deficient number, since it is larger than the sum of its proper divisors (966891514).

1922449226 is a wasteful number, since it uses less digits than its factorization.

1922449226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888968.

The product of its digits is 124416, while the sum is 41.

The square root of 1922449226 is about 43845.7435334378. The cubic root of 1922449226 is about 1243.4212718905.

The spelling of 1922449226 in words is "one billion, nine hundred twenty-two million, four hundred forty-nine thousand, two hundred twenty-six".