3445426220 has 48 divisors (see below), whose sum is σ = 7623383040. Its totient is φ = 1305433536.

The previous prime is 3445426207. The next prime is 3445426223. The reversal of 3445426220 is 226245443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3445426223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11021 + ... + 83739.

It is an arithmetic number, because the mean of its divisors is an integer number (158820480).

Almost surely, 2^3445426220 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 3445426220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3811691520).

3445426220 is an abundant number, since it is smaller than the sum of its proper divisors (4177956820).

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

3445426220 is a wasteful number, since it uses less digits than its factorization.

3445426220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72854 (or 72852 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 3445426220 is about 58697.7531086157. The cubic root of 3445426220 is about 1510.3617717164.

The spelling of 3445426220 in words is "three billion, four hundred forty-five million, four hundred twenty-six thousand, two hundred twenty".