20070222 has 16 divisors (see below), whose sum is σ = 40995072. Its totient is φ = 6547640.

The previous prime is 20070179. The next prime is 20070229. The reversal of 20070222 is 22207002.

It is a super-2 number, since 2×20070222² = 805627622258568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35304 + ... + 35867.

It is an arithmetic number, because the mean of its divisors is an integer number (2562192).

Almost surely, 2^20070222 is an apocalyptic number.

20070222 is an abundant number, since it is smaller than the sum of its proper divisors (20924850).

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

20070222 is a wasteful number, since it uses less digits than its factorization.

20070222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71223.

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

The square root of 20070222 is about 4479.9801338845. The cubic root of 20070222 is about 271.7590769633.

Adding to 20070222 its reverse (22207002), we get a palindrome (42277224).

The spelling of 20070222 in words is "twenty million, seventy thousand, two hundred twenty-two".