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22070 = 252207

22070 has 8 divisors (see below), whose sum is σ = 39744. Its totient is φ = 8824.

The previous prime is 22067. The next prime is 22073. The reversal of 22070 is 7022.

It is an interprime number because it is at equal distance from previous prime (22067) and next prime (22073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22070.

It is not an unprimeable number, because it can be changed into a prime (22073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (4968).

222070 is an apocalyptic number.

22070 is a deficient number, since it is larger than the sum of its proper divisors (17674).

22070 is a wasteful number, since it uses less digits than its factorization.

22070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 22070 is about 148.5597522884. The cubic root of 22070 is about 28.0500804414.

Adding to 22070 its reverse (7022), we get a palindrome (29092).

It can be divided in two parts, 220 and 70, that multiplied together give a triangular number (15400 = T175).

The spelling of 22070 in words is "twenty-two thousand, seventy", and thus it is an iban number.

Divisors: 1 2 5 10 2207 4414 11035 22070