21482026 has 16 divisors (see below), whose sum is σ = 33105600. Its totient is φ = 10448928.

The previous prime is 21481963. The next prime is 21482029. The reversal of 21482026 is 62028412.

It is a happy number.

It is a super-2 number, since 2×21482026² = 922954882129352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21482029) 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, 37470 + ... + 38038.

It is an arithmetic number, because the mean of its divisors is an integer number (2069100).

Almost surely, 2^21482026 is an apocalyptic number.

21482026 is a deficient number, since it is larger than the sum of its proper divisors (11623574).

21482026 is a wasteful number, since it uses less digits than its factorization.

21482026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 21482026 is about 4634.8706562320. The cubic root of 21482026 is about 277.9873793073.

The spelling of 21482026 in words is "twenty-one million, four hundred eighty-two thousand, twenty-six".