10220427 has 12 divisors (see below), whose sum is σ = 16871920. Its totient is φ = 5840208.

The previous prime is 10220411. The next prime is 10220429. The reversal of 10220427 is 72402201.

It is not a de Polignac number, because 10220427 - 2⁴ = 10220411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81052 + ... + 81177.

Almost surely, 2^10220427 is an apocalyptic number.

10220427 is a deficient number, since it is larger than the sum of its proper divisors (6651493).

10220427 is a wasteful number, since it uses less digits than its factorization.

10220427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162242 (or 162239 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 10220427 is about 3196.9402559322. The cubic root of 10220427 is about 217.0149635388.

Adding to 10220427 its reverse (72402201), we get a palindrome (82622628).

The spelling of 10220427 in words is "ten million, two hundred twenty thousand, four hundred twenty-seven".