7221807465 has 8 divisors (see below), whose sum is σ = 11554891968. Its totient is φ = 3851630640.

The previous prime is 7221807409. The next prime is 7221807487. The reversal of 7221807465 is 5647081227.

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

It is not a de Polignac number, because 7221807465 - 2¹⁸ = 7221545321 is a prime.

It is a super-3 number, since 3×7221807465³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240726901 + ... + 240726930.

It is an arithmetic number, because the mean of its divisors is an integer number (1444361496).

Almost surely, 2^7221807465 is an apocalyptic number.

It is an amenable number.

7221807465 is a deficient number, since it is larger than the sum of its proper divisors (4333084503).

7221807465 is a wasteful number, since it uses less digits than its factorization.

7221807465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481453839.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 7221807465 is about 84981.2183073413. The cubic root of 7221807465 is about 1932.9263298181.

The spelling of 7221807465 in words is "seven billion, two hundred twenty-one million, eight hundred seven thousand, four hundred sixty-five".