2220046340 has 48 divisors (see below), whose sum is σ = 4744958400. Its totient is φ = 872310912.

The previous prime is 2220046313. The next prime is 2220046399. The reversal of 2220046340 is 436400222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519131 + ... + 523389.

It is an arithmetic number, because the mean of its divisors is an integer number (98853300).

Almost surely, 2^2220046340 is an apocalyptic number.

2220046340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220046340 is an abundant number, since it is smaller than the sum of its proper divisors (2524912060).

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

2220046340 is a wasteful number, since it uses less digits than its factorization.

2220046340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2220046340 is about 47117.3677108558. The cubic root of 2220046340 is about 1304.5298267578.

Adding to 2220046340 its reverse (436400222), we get a palindrome (2656446562).

The spelling of 2220046340 in words is "two billion, two hundred twenty million, forty-six thousand, three hundred forty".