1042225443 has 144 divisors (see below), whose sum is σ = 1964847456. Its totient is φ = 528353280.

The previous prime is 1042225421. The next prime is 1042225463. The reversal of 1042225443 is 3445222401.

It is not a de Polignac number, because 1042225443 - 2⁸ = 1042225187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042225463) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17085633 + ... + 17085693.

It is an arithmetic number, because the mean of its divisors is an integer number (13644774).

Almost surely, 2^1042225443 is an apocalyptic number.

1042225443 is a deficient number, since it is larger than the sum of its proper divisors (922622013).

1042225443 is a wasteful number, since it uses less digits than its factorization.

1042225443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1042225443 is about 32283.5165835446. The cubic root of 1042225443 is about 1013.8815583563.

Adding to 1042225443 its reverse (3445222401), we get a palindrome (4487447844).

The spelling of 1042225443 in words is "one billion, forty-two million, two hundred twenty-five thousand, four hundred forty-three".