22022070 has 96 divisors (see below), whose sum is σ = 62643456. Its totient is φ = 4939200.

The previous prime is 22022069. The next prime is 22022087. The reversal of 22022070 is 7022022.

It is a super-3 number, since 3×22022070³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 104265 + ... + 104475.

It is an arithmetic number, because the mean of its divisors is an integer number (652536).

Almost surely, 2^22022070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31321728).

22022070 is an abundant number, since it is smaller than the sum of its proper divisors (40621386).

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

22022070 is a wasteful number, since it uses less digits than its factorization.

22022070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 22022070 is about 4692.7678399853. The cubic root of 22022070 is about 280.2976002478.

Adding to 22022070 its reverse (7022022), we get a palindrome (29044092).

The spelling of 22022070 in words is "twenty-two million, twenty-two thousand, seventy".