65222003 has 32 divisors (see below), whose sum is σ = 86592000. Its totient is φ = 47589120.

The previous prime is 65221991. The next prime is 65222011. The reversal of 65222003 is 30022256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65222003 - 2¹⁰ = 65220979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65222023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159263 + ... + 159671.

It is an arithmetic number, because the mean of its divisors is an integer number (2706000).

Almost surely, 2^65222003 is an apocalyptic number.

65222003 is a deficient number, since it is larger than the sum of its proper divisors (21369997).

65222003 is a wasteful number, since it uses less digits than its factorization.

65222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 65222003 is about 8076.0140539749. The cubic root of 65222003 is about 402.5298060563.

Adding to 65222003 its reverse (30022256), we get a palindrome (95244259).

The spelling of 65222003 in words is "sixty-five million, two hundred twenty-two thousand, three".