102220403 has 2 divisors, whose sum is σ = 102220404. Its totient is φ = 102220402.

The previous prime is 102220379. The next prime is 102220451. The reversal of 102220403 is 304022201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220403 - 2⁸ = 102220147 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110201 + 51110202.

It is an arithmetic number, because the mean of its divisors is an integer number (51110202).

Almost surely, 2^102220403 is an apocalyptic number.

102220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220403 is an equidigital number, since it uses as much as digits as its factorization.

102220403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102220403 is about 10110.4106246977. The cubic root of 102220403 is about 467.5691651316.

Adding to 102220403 its reverse (304022201), we get a palindrome (406242604).

The spelling of 102220403 in words is "one hundred two million, two hundred twenty thousand, four hundred three".