1922089247 has 16 divisors (see below), whose sum is σ = 2102403072. Its totient is φ = 1746632160.

The previous prime is 1922089219. The next prime is 1922089259. The reversal of 1922089247 is 7429802291.

It is not a de Polignac number, because 1922089247 - 2¹⁴ = 1922072863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1922089198 and 1922089207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922089447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211838 + ... + 220724.

It is an arithmetic number, because the mean of its divisors is an integer number (131400192).

Almost surely, 2^1922089247 is an apocalyptic number.

1922089247 is a deficient number, since it is larger than the sum of its proper divisors (180313825).

1922089247 is a wasteful number, since it uses less digits than its factorization.

1922089247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1922089247 is about 43841.6382791519. The cubic root of 1922089247 is about 1243.3436567523.

The spelling of 1922089247 in words is "one billion, nine hundred twenty-two million, eighty-nine thousand, two hundred forty-seven".