64148822 has 4 divisors (see below), whose sum is σ = 96223236. Its totient is φ = 32074410.

The previous prime is 64148809. The next prime is 64148893. The reversal of 64148822 is 22884146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22884146 = 2 ⋅11442073.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16037204 + ... + 16037207.

It is an arithmetic number, because the mean of its divisors is an integer number (24055809).

Almost surely, 2^64148822 is an apocalyptic number.

64148822 is a deficient number, since it is larger than the sum of its proper divisors (32074414).

64148822 is a wasteful number, since it uses less digits than its factorization.

64148822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32074413.

The product of its digits is 24576, while the sum is 35.

The square root of 64148822 is about 8009.2959740541. The cubic root of 64148822 is about 400.3098058223.

The spelling of 64148822 in words is "sixty-four million, one hundred forty-eight thousand, eight hundred twenty-two".