7211394948 has 12 divisors (see below), whose sum is σ = 16826588240. Its totient is φ = 2403798312.

The previous prime is 7211394889. The next prime is 7211394959. The reversal of 7211394948 is 8494931127.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 7211394897 and 7211394906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300474778 + ... + 300474801.

Almost surely, 2^7211394948 is an apocalyptic number.

It is an amenable number.

7211394948 is an abundant number, since it is smaller than the sum of its proper divisors (9615193292).

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

7211394948 is a wasteful number, since it uses less digits than its factorization.

7211394948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600949586 (or 600949584 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 7211394948 is about 84919.9325718055. The cubic root of 7211394948 is about 1931.9969083362.

The spelling of 7211394948 in words is "seven billion, two hundred eleven million, three hundred ninety-four thousand, nine hundred forty-eight".