7221745030 has 16 divisors (see below), whose sum is σ = 13004841600. Its totient is φ = 2887431232.

The previous prime is 7221745009. The next prime is 7221745051. The reversal of 7221745030 is 305471227.

It is an interprime number because it is at equal distance from previous prime (7221745009) and next prime (7221745051).

It is a junction number, because it is equal to n+sod(n) for n = 7221744983 and 7221745001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 134230 + ... + 180169.

It is an arithmetic number, because the mean of its divisors is an integer number (812802600).

Almost surely, 2^7221745030 is an apocalyptic number.

7221745030 is a deficient number, since it is larger than the sum of its proper divisors (5783096570).

7221745030 is a wasteful number, since it uses less digits than its factorization.

7221745030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316703.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7221745030 is about 84980.8509606723. The cubic root of 7221745030 is about 1932.9207595319.

The spelling of 7221745030 in words is "seven billion, two hundred twenty-one million, seven hundred forty-five thousand, thirty".