2220032544 has 48 divisors (see below), whose sum is σ = 5909682240. Its totient is φ = 729585920.

The previous prime is 2220032467. The next prime is 2220032587. The reversal of 2220032544 is 4452300222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2220032544² = 9857088992838223872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 156039 + ... + 169670.

It is an arithmetic number, because the mean of its divisors is an integer number (123118380).

Almost surely, 2^2220032544 is an apocalyptic number.

2220032544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2220032544 is an abundant number, since it is smaller than the sum of its proper divisors (3689649696).

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

2220032544 is a wasteful number, since it uses less digits than its factorization.

2220032544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325793 (or 325785 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2220032544 is about 47117.2213102598. The cubic root of 2220032544 is about 1304.5271245123.

Adding to 2220032544 its reverse (4452300222), we get a palindrome (6672332766).

The spelling of 2220032544 in words is "two billion, two hundred twenty million, thirty-two thousand, five hundred forty-four".