65223542 has 16 divisors (see below), whose sum is σ = 103334400. Its totient is φ = 30790440.

The previous prime is 65223541. The next prime is 65223553. The reversal of 65223542 is 24532256.

It is a super-2 number, since 2×65223542² = 8508220862051528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65223541) 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 7 ways as a sum of consecutive naturals, for example, 9059 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (6458400).

Almost surely, 2^65223542 is an apocalyptic number.

65223542 is a deficient number, since it is larger than the sum of its proper divisors (38110858).

65223542 is a wasteful number, since it uses less digits than its factorization.

65223542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its digits is 14400, while the sum is 29.

The square root of 65223542 is about 8076.1093355650. The cubic root of 65223542 is about 402.5329721070.

Adding to 65223542 its reverse (24532256), we get a palindrome (89755798).

The spelling of 65223542 in words is "sixty-five million, two hundred twenty-three thousand, five hundred forty-two".