2204120154 has 16 divisors (see below), whose sum is σ = 4409121600. Its totient is φ = 734559840.

The previous prime is 2204120143. The next prime is 2204120173. The reversal of 2204120154 is 4510214022.

It is a self number, because there is not a number n which added to its sum of digits gives 2204120154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627 + ... + 66414.

It is an arithmetic number, because the mean of its divisors is an integer number (275570100).

Almost surely, 2^2204120154 is an apocalyptic number.

2204120154 is an abundant number, since it is smaller than the sum of its proper divisors (2205001446).

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

2204120154 is a wasteful number, since it uses less digits than its factorization.

2204120154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73445.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2204120154 is about 46948.0580429052. The cubic root of 2204120154 is about 1301.4028552324.

Adding to 2204120154 its reverse (4510214022), we get a palindrome (6714334176).

It can be divided in two parts, 22041 and 20154, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 2204120154 in words is "two billion, two hundred four million, one hundred twenty thousand, one hundred fifty-four".