4220204400 has 90 divisors (see below), whose sum is σ = 14645294040. Its totient is φ = 1125386880.

The previous prime is 4220204383. The next prime is 4220204413. The reversal of 4220204400 is 44020224.

4220204400 is a `hidden beast` number, since 4 + 220 + 2 + 0 + 440 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 582540 + ... + 589739.

Almost surely, 2^4220204400 is an apocalyptic number.

4220204400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220204400 is an abundant number, since it is smaller than the sum of its proper divisors (10425089640).

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

4220204400 is a wasteful number, since it uses less digits than its factorization.

4220204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172303 (or 1172289 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4220204400 is about 64963.1002954754. The cubic root of 4220204400 is about 1616.0116797346.

Adding to 4220204400 its reverse (44020224), we get a palindrome (4264224624).

The spelling of 4220204400 in words is "four billion, two hundred twenty million, two hundred four thousand, four hundred".