64022737 has 2 divisors, whose sum is σ = 64022738. Its totient is φ = 64022736.

The previous prime is 64022687. The next prime is 64022741. The reversal of 64022737 is 73722046.

It is a happy number.

64022737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 2572816 = 7839^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022737 - 2¹⁵ = 63989969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64022699 and 64022708.

It is not a weakly prime, because it can be changed into another prime (64022237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011368 + 32011369.

It is an arithmetic number, because the mean of its divisors is an integer number (32011369).

Almost surely, 2^64022737 is an apocalyptic number.

It is an amenable number.

64022737 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022737 is an equidigital number, since it uses as much as digits as its factorization.

64022737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 64022737 is about 8001.4209363088. The cubic root of 64022737 is about 400.0473631416.

The spelling of 64022737 in words is "sixty-four million, twenty-two thousand, seven hundred thirty-seven".