65222148890 has 8 divisors (see below), whose sum is σ = 117399868020. Its totient is φ = 26088859552.

The previous prime is 65222148809. The next prime is 65222148931. The reversal of 65222148890 is 9884122256.

65222148890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 58961066761 + 6261082129 = 242819^2 + 79127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261107435 + ... + 3261107454.

Almost surely, 2^65222148890 is an apocalyptic number.

65222148890 is a deficient number, since it is larger than the sum of its proper divisors (52177719130).

65222148890 is a wasteful number, since it uses less digits than its factorization.

65222148890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522214896.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 65222148890 in words is "sixty-five billion, two hundred twenty-two million, one hundred forty-eight thousand, eight hundred ninety".