2224215440 has 40 divisors (see below), whose sum is σ = 5173323648. Its totient is φ = 889338240.

The previous prime is 2224215439. The next prime is 2224215457. The reversal of 2224215440 is 445124222.

It is a tau number, because it is divible by the number of its divisors (40).

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, 325499 + ... + 332261.

Almost surely, 2^2224215440 is an apocalyptic number.

2224215440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224215440 is an abundant number, since it is smaller than the sum of its proper divisors (2949108208).

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

2224215440 is a wasteful number, since it uses less digits than its factorization.

2224215440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887 (or 10881 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2224215440 is about 47161.5886076794. The cubic root of 2224215440 is about 1305.3459229859.

Adding to 2224215440 its reverse (445124222), we get a palindrome (2669339662).

The spelling of 2224215440 in words is "two billion, two hundred twenty-four million, two hundred fifteen thousand, four hundred forty".