1040022187 has 4 divisors (see below), whose sum is σ = 1041945136. Its totient is φ = 1038099240.

The previous prime is 1040022163. The next prime is 1040022223. The reversal of 1040022187 is 7812200401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040022187 - 2¹¹ = 1040020139 is a prime.

It is a super-2 number, since 2×1040022187² = 2163292298904525938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040025187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960663 + ... + 961744.

It is an arithmetic number, because the mean of its divisors is an integer number (260486284).

Almost surely, 2^1040022187 is an apocalyptic number.

1040022187 is a deficient number, since it is larger than the sum of its proper divisors (1922949).

1040022187 is an equidigital number, since it uses as much as digits as its factorization.

1040022187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922948.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1040022187 is about 32249.3749861916. The cubic root of 1040022187 is about 1013.1666085663.

Adding to 1040022187 its reverse (7812200401), we get a palindrome (8852222588).

The spelling of 1040022187 in words is "one billion, forty million, twenty-two thousand, one hundred eighty-seven".