4000004622 has 24 divisors (see below), whose sum is σ = 8716779864. Its totient is φ = 1325626704.

The previous prime is 4000004611. The next prime is 4000004633. The reversal of 4000004622 is 2264000004.

4000004622 is a `hidden beast` number, since 40 + 0 + 0 + 0 + 0 + 4 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (4000004611) and next prime (4000004633).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4000004595 and 4000004604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639148 + ... + 645375.

It is an arithmetic number, because the mean of its divisors is an integer number (363199161).

Almost surely, 2^4000004622 is an apocalyptic number.

4000004622 is an abundant number, since it is smaller than the sum of its proper divisors (4716775242).

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

4000004622 is a wasteful number, since it uses less digits than its factorization.

4000004622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284704 (or 1284701 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4000004622 is about 63245.5897434754. The cubic root of 4000004622 is about 1587.4016633819.

Adding to 4000004622 its reverse (2264000004), we get a palindrome (6264004626).

The spelling of 4000004622 in words is "four billion, four thousand, six hundred twenty-two".