7215226601049 has 24 divisors (see below), whose sum is σ = 10441652337480. Its totient is φ = 4801084434432.

The previous prime is 7215226601021. The next prime is 7215226601071. The reversal of 7215226601049 is 9401066225127.

7215226601049 is a `hidden beast` number, since 7 + 2 + 15 + 2 + 26 + 601 + 0 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 192159489600 + 7023067111449 = 438360^2 + 2650107^2 .

It is not a de Polignac number, because 7215226601049 - 2²¹ = 7215224503897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7215226600995 and 7215226601013.

It is not an unprimeable number, because it can be changed into a prime (7215206601049) 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, 13215487 + ... + 13750619.

It is an arithmetic number, because the mean of its divisors is an integer number (435068847395).

Almost surely, 2^{7215226601049} is an apocalyptic number.

It is an amenable number.

7215226601049 is a deficient number, since it is larger than the sum of its proper divisors (3226425736431).

7215226601049 is a wasteful number, since it uses less digits than its factorization.

7215226601049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537961 (or 537958 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 7215226601049 in words is "seven trillion, two hundred fifteen billion, two hundred twenty-six million, six hundred one thousand, forty-nine".