65223102 has 32 divisors (see below), whose sum is σ = 150538752. Its totient is φ = 18453024.

The previous prime is 65223089. The next prime is 65223107. The reversal of 65223102 is 20132256.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65223107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3213 + ... + 11864.

It is an arithmetic number, because the mean of its divisors is an integer number (4704336).

Almost surely, 2^65223102 is an apocalyptic number.

65223102 is an abundant number, since it is smaller than the sum of its proper divisors (85315650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65223102 is a wasteful number, since it uses less digits than its factorization.

65223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15192.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65223102 is about 8076.0820946793. The cubic root of 65223102 is about 402.5320669384.

Adding to 65223102 its reverse (20132256), we get a palindrome (85355358).

The spelling of 65223102 in words is "sixty-five million, two hundred twenty-three thousand, one hundred two".