422643011 has 16 divisors (see below), whose sum is σ = 509160960. Its totient is φ = 342714240.

The previous prime is 422642993. The next prime is 422643029. The reversal of 422643011 is 110346224.

It is an interprime number because it is at equal distance from previous prime (422642993) and next prime (422643029).

It is a cyclic number.

It is not a de Polignac number, because 422643011 - 2⁶ = 422642947 is a prime.

It is a super-2 number, since 2×422643011² = 357254229494292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422643061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115370 + ... + 118976.

It is an arithmetic number, because the mean of its divisors is an integer number (31822560).

Almost surely, 2^422643011 is an apocalyptic number.

422643011 is a deficient number, since it is larger than the sum of its proper divisors (86517949).

422643011 is a wasteful number, since it uses less digits than its factorization.

422643011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 422643011 is about 20558.2832697674. The cubic root of 422643011 is about 750.4548417325.

Adding to 422643011 its reverse (110346224), we get a palindrome (532989235).

The spelling of 422643011 in words is "four hundred twenty-two million, six hundred forty-three thousand, eleven".