10220356 has 6 divisors (see below), whose sum is σ = 17885630. Its totient is φ = 5110176.

The previous prime is 10220351. The next prime is 10220387. The reversal of 10220356 is 65302201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5683456 + 4536900 = 2384^2 + 2130^2 .

It is not an unprimeable number, because it can be changed into a prime (10220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277541 + ... + 1277548.

Almost surely, 2^10220356 is an apocalyptic number.

It is an amenable number.

10220356 is a deficient number, since it is larger than the sum of its proper divisors (7665274).

10220356 is a wasteful number, since it uses less digits than its factorization.

10220356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555093 (or 2555091 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10220356 is about 3196.9291515453. The cubic root of 10220356 is about 217.0144610125.

Adding to 10220356 its reverse (65302201), we get a palindrome (75522557).

The spelling of 10220356 in words is "ten million, two hundred twenty thousand, three hundred fifty-six".