7221146373 has 24 divisors (see below), whose sum is σ = 11929090368. Its totient is φ = 4123438272.

The previous prime is 7221146371. The next prime is 7221146381. The reversal of 7221146373 is 3736411227.

7221146373 is a `hidden beast` number, since 7 + 2 + 2 + 1 + 14 + 637 + 3 = 666.

It is not a de Polignac number, because 7221146373 - 2¹ = 7221146371 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221146371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50286 + ... + 130272.

It is an arithmetic number, because the mean of its divisors is an integer number (497045432).

Almost surely, 2^7221146373 is an apocalyptic number.

It is an amenable number.

7221146373 is a deficient number, since it is larger than the sum of its proper divisors (4707943995).

7221146373 is a wasteful number, since it uses less digits than its factorization.

7221146373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81433 (or 81430 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 7221146373 is about 84977.3285823931. The cubic root of 7221146373 is about 1932.8673473020.

The spelling of 7221146373 in words is "seven billion, two hundred twenty-one million, one hundred forty-six thousand, three hundred seventy-three".