1000022390 has 32 divisors (see below), whose sum is σ = 1852169760. Its totient is φ = 388512000.

The previous prime is 1000022389. The next prime is 1000022393. The reversal of 1000022390 is 932200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88565 + ... + 99215.

It is an arithmetic number, because the mean of its divisors is an integer number (57880305).

Almost surely, 2^1000022390 is an apocalyptic number.

1000022390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000022390 is a deficient number, since it is larger than the sum of its proper divisors (852147370).

1000022390 is a wasteful number, since it uses less digits than its factorization.

1000022390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1000022390 is about 31623.1306166863. The cubic root of 1000022390 is about 1000.0074632776.

Adding to 1000022390 its reverse (932200001), we get a palindrome (1932222391).

The spelling of 1000022390 in words is "one billion, twenty-two thousand, three hundred ninety".