65249622 has 24 divisors (see below), whose sum is σ = 141548160. Its totient is φ = 21723120.

The previous prime is 65249599. The next prime is 65249651. The reversal of 65249622 is 22694256.

65249622 is a `hidden beast` number, since 6 + 5 + 24 + 9 + 622 = 666.

It is a super-2 number, since 2×65249622² = 8515026342285768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17547 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (5897840).

Almost surely, 2^65249622 is an apocalyptic number.

65249622 is an abundant number, since it is smaller than the sum of its proper divisors (76298538).

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

65249622 is a wasteful number, since it uses less digits than its factorization.

65249622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468 (or 4465 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 65249622 is about 8077.7238130553. The cubic root of 65249622 is about 402.5866166483.

The spelling of 65249622 in words is "sixty-five million, two hundred forty-nine thousand, six hundred twenty-two".