64214242 has 4 divisors (see below), whose sum is σ = 96321366. Its totient is φ = 32107120.

The previous prime is 64214239. The next prime is 64214251. The reversal of 64214242 is 24241246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 14356521 = 7061^2 + 3789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16053559 + ... + 16053562.

Almost surely, 2^64214242 is an apocalyptic number.

64214242 is a deficient number, since it is larger than the sum of its proper divisors (32107124).

64214242 is a wasteful number, since it uses less digits than its factorization.

64214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32107123.

The product of its digits is 3072, while the sum is 25.

The square root of 64214242 is about 8013.3789377515. The cubic root of 64214242 is about 400.4458403813.

Adding to 64214242 its reverse (24241246), we get a palindrome (88455488).

It can be divided in two parts, 642 and 14242, that added together give a square (14884 = 122²).

The spelling of 64214242 in words is "sixty-four million, two hundred fourteen thousand, two hundred forty-two".