64227215235 has 16 divisors (see below), whose sum is σ = 103250580480. Its totient is φ = 34092169440.

The previous prime is 64227215209. The next prime is 64227215249. The reversal of 64227215235 is 53251272246.

It is not a de Polignac number, because 64227215235 - 2⁵ = 64227215203 is a prime.

It is a super-2 number, since 2×64227215235² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64227215193 and 64227215202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10143315 + ... + 10149644.

It is an arithmetic number, because the mean of its divisors is an integer number (6453161280).

Almost surely, 2^64227215235 is an apocalyptic number.

64227215235 is a deficient number, since it is larger than the sum of its proper divisors (39023365245).

64227215235 is a wasteful number, since it uses less digits than its factorization.

64227215235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20293178.

The product of its digits is 201600, while the sum is 39.

The spelling of 64227215235 in words is "sixty-four billion, two hundred twenty-seven million, two hundred fifteen thousand, two hundred thirty-five".