22005302 has 12 divisors (see below), whose sum is σ = 36281868. Its totient is φ = 10002300.

The previous prime is 22005271. The next prime is 22005311. The reversal of 22005302 is 20350022.

It is a super-2 number, since 2×22005302² = 968466632222408, 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 5 ways as a sum of consecutive naturals, for example, 45224 + ... + 45707.

It is an arithmetic number, because the mean of its divisors is an integer number (3023489).

Almost surely, 2^22005302 is an apocalyptic number.

22005302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22005302 is a deficient number, since it is larger than the sum of its proper divisors (14276566).

22005302 is a wasteful number, since it uses less digits than its factorization.

22005302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90955 (or 90944 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22005302 is about 4690.9809208736. The cubic root of 22005302 is about 280.2264409735.

Adding to 22005302 its reverse (20350022), we get a palindrome (42355324).

The spelling of 22005302 in words is "twenty-two million, five thousand, three hundred two".