22070164 has 12 divisors (see below), whose sum is σ = 38661588. Its totient is φ = 11024000.

The previous prime is 22070161. The next prime is 22070183. The reversal of 22070164 is 46107022.

It can be written as a sum of positive squares in 2 ways, for example, as 10112400 + 11957764 = 3180^2 + 3458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070161) 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, 3084 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (3221799).

Almost surely, 2^22070164 is an apocalyptic number.

It is an amenable number.

22070164 is a deficient number, since it is larger than the sum of its proper divisors (16591424).

22070164 is a wasteful number, since it uses less digits than its factorization.

22070164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546 (or 5544 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22070164 is about 4697.8893132980. The cubic root of 22070164 is about 280.5014992035.

Adding to 22070164 its reverse (46107022), we get a palindrome (68177186).

The spelling of 22070164 in words is "twenty-two million, seventy thousand, one hundred sixty-four".