7219012265 has 8 divisors (see below), whose sum is σ = 8663346888. Its totient is φ = 5774855040.

The previous prime is 7219012249. The next prime is 7219012271. The reversal of 7219012265 is 5622109127.

It can be written as a sum of positive squares in 4 ways, for example, as 1444836121 + 5774176144 = 38011^2 + 75988^2 .

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

It is not a de Polignac number, because 7219012265 - 2⁴ = 7219012249 is a prime.

It is a super-2 number, since 2×7219012265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 73799 + ... + 141011.

It is an arithmetic number, because the mean of its divisors is an integer number (1082918361).

Almost surely, 2^7219012265 is an apocalyptic number.

It is an amenable number.

7219012265 is a deficient number, since it is larger than the sum of its proper divisors (1444334623).

7219012265 is a wasteful number, since it uses less digits than its factorization.

7219012265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88699.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 7219012265 is about 84964.7707288144. The cubic root of 7219012265 is about 1932.6769179768.

The spelling of 7219012265 in words is "seven billion, two hundred nineteen million, twelve thousand, two hundred sixty-five".