64541622 has 32 divisors (see below), whose sum is σ = 139594752. Its totient is φ = 19816064.

The previous prime is 64541621. The next prime is 64541663. The reversal of 64541622 is 22614546.

It is a self number, because there is not a number n which added to its sum of digits gives 64541622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64541621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (4362336).

Almost surely, 2^64541622 is an apocalyptic number.

64541622 is an abundant number, since it is smaller than the sum of its proper divisors (75053130).

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

64541622 is a wasteful number, since it uses less digits than its factorization.

64541622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13532.

The product of its digits is 11520, while the sum is 30.

The square root of 64541622 is about 8033.7800567354. The cubic root of 64541622 is about 401.1252109495.

The spelling of 64541622 in words is "sixty-four million, five hundred forty-one thousand, six hundred twenty-two".