64222523026 has 4 divisors (see below), whose sum is σ = 96333784542. Its totient is φ = 32111261512.

The previous prime is 64222523009. The next prime is 64222523063. The reversal of 64222523026 is 62032522246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62032522246 = 2 ⋅31016261123.

It can be written as a sum of positive squares in only one way, i.e., 63768875625 + 453647401 = 252525^2 + 21299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64222522982 and 64222523000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055630755 + ... + 16055630758.

Almost surely, 2^64222523026 is an apocalyptic number.

64222523026 is a deficient number, since it is larger than the sum of its proper divisors (32111261516).

64222523026 is a wasteful number, since it uses less digits than its factorization.

64222523026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32111261515.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 64222523026 in words is "sixty-four billion, two hundred twenty-two million, five hundred twenty-three thousand, twenty-six".