4000022430 has 32 divisors (see below), whose sum is σ = 9606466944. Its totient is φ = 1065960096.

The previous prime is 4000022417. The next prime is 4000022431. The reversal of 4000022430 is 342200004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000022431) 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 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 89463.

It is an arithmetic number, because the mean of its divisors is an integer number (300202092).

Almost surely, 2^4000022430 is an apocalyptic number.

4000022430 is an abundant number, since it is smaller than the sum of its proper divisors (5606444514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000022430 is a wasteful number, since it uses less digits than its factorization.

4000022430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89080.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4000022430 is about 63245.7305278388. The cubic root of 4000022430 is about 1587.4040190798.

Adding to 4000022430 its reverse (342200004), we get a palindrome (4342222434).

The spelling of 4000022430 in words is "four billion, twenty-two thousand, four hundred thirty".