65022040 has 16 divisors (see below), whose sum is σ = 146299680. Its totient is φ = 26008800.

The previous prime is 65022037. The next prime is 65022053. The reversal of 65022040 is 4022056.

It is a junction number, because it is equal to n+sod(n) for n = 65021999 and 65022017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812736 + ... + 812815.

It is an arithmetic number, because the mean of its divisors is an integer number (9143730).

Almost surely, 2^65022040 is an apocalyptic number.

It is an amenable number.

65022040 is an abundant number, since it is smaller than the sum of its proper divisors (81277640).

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

65022040 is a wasteful number, since it uses less digits than its factorization.

65022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625562 (or 1625558 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 65022040 is about 8063.6244952255. The cubic root of 65022040 is about 402.1180152341.

Adding to 65022040 its reverse (4022056), we get a palindrome (69044096).

The spelling of 65022040 in words is "sixty-five million, twenty-two thousand, forty".