526022272 has 64 divisors (see below), whose sum is σ = 1068552000. Its totient is φ = 257900544.

The previous prime is 526022257. The next prime is 526022281. The reversal of 526022272 is 272220625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 526022272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643229 + ... + 2643427.

It is an arithmetic number, because the mean of its divisors is an integer number (16696125).

Almost surely, 2^526022272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526022272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534276000).

526022272 is an abundant number, since it is smaller than the sum of its proper divisors (542529728).

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

526022272 is a wasteful number, since it uses less digits than its factorization.

526022272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 526022272 is about 22935.1754298937. The cubic root of 526022272 is about 807.2375908051.

Adding to 526022272 its reverse (272220625), we get a palindrome (798242897).

The spelling of 526022272 in words is "five hundred twenty-six million, twenty-two thousand, two hundred seventy-two".