64422460 has 12 divisors (see below), whose sum is σ = 135287208. Its totient is φ = 25768976.

The previous prime is 64422451. The next prime is 64422461. The reversal of 64422460 is 6422446.

64422460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64422461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610542 + ... + 1610581.

It is an arithmetic number, because the mean of its divisors is an integer number (11273934).

Almost surely, 2^64422460 is an apocalyptic number.

It is an amenable number.

64422460 is an abundant number, since it is smaller than the sum of its proper divisors (70864748).

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

64422460 is a wasteful number, since it uses less digits than its factorization.

64422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221132 (or 3221130 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 64422460 is about 8026.3603208428. The cubic root of 64422460 is about 400.8781955206.

It can be divided in two parts, 644 and 22460, that added together give a square (23104 = 152²).

The spelling of 64422460 in words is "sixty-four million, four hundred twenty-two thousand, four hundred sixty".