1000022473 has 4 divisors (see below), whose sum is σ = 1004762128. Its totient is φ = 995282820.

The previous prime is 1000022461. The next prime is 1000022533. The reversal of 1000022473 is 3742200001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000022473 - 2¹⁷ = 999891401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000022473.

It is not an unprimeable number, because it can be changed into a prime (1000022173) 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, 2369511 + ... + 2369932.

It is an arithmetic number, because the mean of its divisors is an integer number (251190532).

Almost surely, 2^1000022473 is an apocalyptic number.

It is an amenable number.

1000022473 is a deficient number, since it is larger than the sum of its proper divisors (4739655).

1000022473 is an equidigital number, since it uses as much as digits as its factorization.

1000022473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739654.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1000022473 is about 31623.1319290168. The cubic root of 1000022473 is about 1000.0074909439.

Adding to 1000022473 its reverse (3742200001), we get a palindrome (4742222474).

The spelling of 1000022473 in words is "one billion, twenty-two thousand, four hundred seventy-three".