22070118 has 32 divisors (see below), whose sum is σ = 50782464. Its totient is φ = 6263712.

The previous prime is 22070117. The next prime is 22070159. The reversal of 22070118 is 81107022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22070094 and 22070103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070117) 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 15 ways as a sum of consecutive naturals, for example, 4921 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (1586952).

Almost surely, 2^22070118 is an apocalyptic number.

22070118 is an abundant number, since it is smaller than the sum of its proper divisors (28712346).

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

22070118 is a wasteful number, since it uses less digits than its factorization.

22070118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 22070118 is about 4697.8844174799. The cubic root of 22070118 is about 280.5013043238.

The spelling of 22070118 in words is "twenty-two million, seventy thousand, one hundred eighteen".