1944226497 has 8 divisors (see below), whose sum is σ = 2681691840. Its totient is φ = 1251456080.

The previous prime is 1944226483. The next prime is 1944226511. The reversal of 1944226497 is 7946224491.

It is an interprime number because it is at equal distance from previous prime (1944226483) and next prime (1944226511).

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

It is a cyclic number.

It is not a de Polignac number, because 1944226497 - 2⁸ = 1944226241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1944266497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11173629 + ... + 11173802.

It is an arithmetic number, because the mean of its divisors is an integer number (335211480).

Almost surely, 2^1944226497 is an apocalyptic number.

It is an amenable number.

1944226497 is a deficient number, since it is larger than the sum of its proper divisors (737465343).

1944226497 is a wasteful number, since it uses less digits than its factorization.

1944226497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347463.

The product of its digits is 870912, while the sum is 48.

The square root of 1944226497 is about 44093.3838234264. The cubic root of 1944226497 is about 1248.0987623959.

The spelling of 1944226497 in words is "one billion, nine hundred forty-four million, two hundred twenty-six thousand, four hundred ninety-seven".