26220252 has 12 divisors (see below), whose sum is σ = 61180616. Its totient is φ = 8740080.

The previous prime is 26220251. The next prime is 26220287. The reversal of 26220252 is 25202262.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26220252² = 1375003229887008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092499 + ... + 1092522.

Almost surely, 2^26220252 is an apocalyptic number.

It is an amenable number.

26220252 is an abundant number, since it is smaller than the sum of its proper divisors (34960364).

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

26220252 is a wasteful number, since it uses less digits than its factorization.

26220252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185028 (or 2185026 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 26220252 is about 5120.5714524846. The cubic root of 26220252 is about 297.0837886690.

The spelling of 26220252 in words is "twenty-six million, two hundred twenty thousand, two hundred fifty-two".