7224949553 has 4 divisors (see below), whose sum is σ = 7226150400. Its totient is φ = 7223748708.

The previous prime is 7224949547. The next prime is 7224949577. The reversal of 7224949553 is 3559494227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7224949553 - 2⁸ = 7224949297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7224949513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591353 + ... + 603446.

It is an arithmetic number, because the mean of its divisors is an integer number (1806537600).

Almost surely, 2^7224949553 is an apocalyptic number.

It is an amenable number.

7224949553 is a deficient number, since it is larger than the sum of its proper divisors (1200847).

7224949553 is a wasteful number, since it uses less digits than its factorization.

7224949553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200846.

The product of its digits is 2721600, while the sum is 50.

The square root of 7224949553 is about 84999.7032524232. The cubic root of 7224949553 is about 1933.2066171771.

The spelling of 7224949553 in words is "seven billion, two hundred twenty-four million, nine hundred forty-nine thousand, five hundred fifty-three".