7225961998 has 8 divisors (see below), whose sum is σ = 10858196808. Its totient is φ = 3606563064.

The previous prime is 7225961983. The next prime is 7225962011. The reversal of 7225961998 is 8991695227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207561 + ... + 3209812.

It is an arithmetic number, because the mean of its divisors is an integer number (1357274601).

Almost surely, 2^7225961998 is an apocalyptic number.

7225961998 is a deficient number, since it is larger than the sum of its proper divisors (3632234810).

7225961998 is a wasteful number, since it uses less digits than its factorization.

7225961998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417938.

The product of its digits is 4898880, while the sum is 58.

The square root of 7225961998 is about 85005.6586234117. The cubic root of 7225961998 is about 1933.2969141838.

The spelling of 7225961998 in words is "seven billion, two hundred twenty-five million, nine hundred sixty-one thousand, nine hundred ninety-eight".