65222124 has 24 divisors (see below), whose sum is σ = 166020288. Its totient is φ = 19764240.

The previous prime is 65222123. The next prime is 65222141. The reversal of 65222124 is 42122256.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65222094 and 65222103.

It is not an unprimeable number, because it can be changed into a prime (65222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246922 + ... + 247185.

It is an arithmetic number, because the mean of its divisors is an integer number (6917512).

Almost surely, 2^65222124 is an apocalyptic number.

It is an amenable number.

65222124 is an abundant number, since it is smaller than the sum of its proper divisors (100798164).

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

65222124 is a wasteful number, since it uses less digits than its factorization.

65222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494125 (or 494123 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 65222124 is about 8076.0215452907. The cubic root of 65222124 is about 402.5300549809.

It can be divided in two parts, 6522 and 2124, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 65222124 in words is "sixty-five million, two hundred twenty-two thousand, one hundred twenty-four".