2220426516 has 96 divisors (see below), whose sum is σ = 6467908608. Its totient is φ = 575976960.

The previous prime is 2220426497. The next prime is 2220426529. The reversal of 2220426516 is 6156240222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184556 + ... + 1186428.

It is an arithmetic number, because the mean of its divisors is an integer number (67374048).

Almost surely, 2^2220426516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220426516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3233954304).

2220426516 is an abundant number, since it is smaller than the sum of its proper divisors (4247482092).

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

2220426516 is a wasteful number, since it uses less digits than its factorization.

2220426516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2220426516 is about 47121.4018891628. The cubic root of 2220426516 is about 1304.6042880600.

Adding to 2220426516 its reverse (6156240222), we get a palindrome (8376666738).

The spelling of 2220426516 in words is "two billion, two hundred twenty million, four hundred twenty-six thousand, five hundred sixteen".