2226501772 has 24 divisors (see below), whose sum is σ = 4292687952. Its totient is φ = 1002024000.

The previous prime is 2226501763. The next prime is 2226501779. The reversal of 2226501772 is 2771056222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2226501779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246063 + ... + 254950.

It is an arithmetic number, because the mean of its divisors is an integer number (178861998).

Almost surely, 2^2226501772 is an apocalyptic number.

2226501772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2226501772 is a deficient number, since it is larger than the sum of its proper divisors (2066186180).

2226501772 is a wasteful number, since it uses less digits than its factorization.

2226501772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501129 (or 501127 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2226501772 is about 47185.8217264466. The cubic root of 2226501772 is about 1305.7930367687.

Adding to 2226501772 its reverse (2771056222), we get a palindrome (4997557994).

It can be divided in two parts, 222650 and 1772, that added together give a palindrome (224422).

The spelling of 2226501772 in words is "two billion, two hundred twenty-six million, five hundred one thousand, seven hundred seventy-two".