7226420448 has 96 divisors (see below), whose sum is σ = 21133072800. Its totient is φ = 2146830336.

The previous prime is 7226420441. The next prime is 7226420471. The reversal of 7226420448 is 8440246227.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226420441) 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, 63643 + ... + 136026.

It is an arithmetic number, because the mean of its divisors is an integer number (220136175).

Almost surely, 2^7226420448 is an apocalyptic number.

7226420448 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7226420448 is an abundant number, since it is smaller than the sum of its proper divisors (13906652352).

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

7226420448 is a wasteful number, since it uses less digits than its factorization.

7226420448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199724 (or 199716 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 7226420448 is about 85008.3551658306. The cubic root of 7226420448 is about 1933.3377992234.

The spelling of 7226420448 in words is "seven billion, two hundred twenty-six million, four hundred twenty thousand, four hundred forty-eight".