1042223893 has 2 divisors, whose sum is σ = 1042223894. Its totient is φ = 1042223892.

The previous prime is 1042223827. The next prime is 1042224023. The reversal of 1042223893 is 3983222401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693953649 + 348270244 = 26343^2 + 18662^2 .

It is an emirp because it is prime and its reverse (3983222401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042223893 - 2⁹ = 1042223381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042223803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521111946 + 521111947.

It is an arithmetic number, because the mean of its divisors is an integer number (521111947).

Almost surely, 2^1042223893 is an apocalyptic number.

It is an amenable number.

1042223893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042223893 is an equidigital number, since it uses as much as digits as its factorization.

1042223893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1042223893 is about 32283.4925774768. The cubic root of 1042223893 is about 1013.8810557404.

The spelling of 1042223893 in words is "one billion, forty-two million, two hundred twenty-three thousand, eight hundred ninety-three".