64550622 has 16 divisors (see below), whose sum is σ = 129824640. Its totient is φ = 21396312.

The previous prime is 64550621. The next prime is 64550653. The reversal of 64550622 is 22605546.

It is a self number, because there is not a number n which added to its sum of digits gives 64550622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28978 + ... + 31125.

It is an arithmetic number, because the mean of its divisors is an integer number (8114040).

Almost surely, 2^64550622 is an apocalyptic number.

64550622 is an abundant number, since it is smaller than the sum of its proper divisors (65274018).

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

64550622 is a wasteful number, since it uses less digits than its factorization.

64550622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60287.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 64550622 is about 8034.3401720365. The cubic root of 64550622 is about 401.1438550378.

The spelling of 64550622 in words is "sixty-four million, five hundred fifty thousand, six hundred twenty-two".