4000220025 has 12 divisors (see below), whose sum is σ = 6613697232. Its totient is φ = 2133450640.

The previous prime is 4000219991. The next prime is 4000220033. The reversal of 4000220025 is 5200220004.

It is not a de Polignac number, because 4000220025 - 2¹⁹ = 3999695737 is a prime.

It is a super-2 number, since 2×4000220025² = 32003520496822001250, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4000219986 and 4000220013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26668059 + ... + 26668208.

It is an arithmetic number, because the mean of its divisors is an integer number (551141436).

Almost surely, 2^4000220025 is an apocalyptic number.

It is an amenable number.

4000220025 is a deficient number, since it is larger than the sum of its proper divisors (2613477207).

4000220025 is a wasteful number, since it uses less digits than its factorization.

4000220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53336280 (or 53336275 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4000220025 is about 63247.2926298035. The cubic root of 4000220025 is about 1587.4301570943.

Adding to 4000220025 its reverse (5200220004), we get a palindrome (9200440029).

The spelling of 4000220025 in words is "four billion, two hundred twenty thousand, twenty-five".