1040022394 has 16 divisors (see below), whose sum is σ = 1577105640. Its totient is φ = 514339840.

The previous prime is 1040022383. The next prime is 1040022397. The reversal of 1040022394 is 4932200401.

It can be written as a sum of positive squares in 4 ways, for example, as 999381769 + 40640625 = 31613^2 + 6375^2 .

It is not an unprimeable number, because it can be changed into a prime (1040022397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110514 + ... + 119554.

Almost surely, 2^1040022394 is an apocalyptic number.

1040022394 is a deficient number, since it is larger than the sum of its proper divisors (537083246).

1040022394 is a wasteful number, since it uses less digits than its factorization.

1040022394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1040022394 is about 32249.3781955560. The cubic root of 1040022394 is about 1013.1666757845.

Adding to 1040022394 its reverse (4932200401), we get a palindrome (5972222795).

The spelling of 1040022394 in words is "one billion, forty million, twenty-two thousand, three hundred ninety-four".