10220008 has 8 divisors (see below), whose sum is σ = 19162530. Its totient is φ = 5110000.

The previous prime is 10220003. The next prime is 10220011. The reversal of 10220008 is 80002201.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 2502724 = 2778^2 + 1582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10220008.

It is not an unprimeable number, because it can be changed into a prime (10220003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638743 + ... + 638758.

Almost surely, 2^10220008 is an apocalyptic number.

It is an amenable number.

10220008 is a deficient number, since it is larger than the sum of its proper divisors (8942522).

10220008 is a wasteful number, since it uses less digits than its factorization.

10220008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277507 (or 1277503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10220008 is about 3196.8747238514. The cubic root of 10220008 is about 217.0119978926.

Adding to 10220008 its reverse (80002201), we get a palindrome (90222209).

The spelling of 10220008 in words is "ten million, two hundred twenty thousand, eight".