1022203 has 16 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 788256.

The previous prime is 1022201. The next prime is 1022209. The reversal of 1022203 is 3022201.

It is not a de Polignac number, because 1022203 - 2¹ = 1022201 is a prime.

It is a super-3 number, since 3×1022203³ = 3204296595333478281, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022203.

It is not an unprimeable number, because it can be changed into a prime (1022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4158 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1022203 is an apocalyptic number.

1022203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1022203 is a deficient number, since it is larger than the sum of its proper divisors (268037).

1022203 is a wasteful number, since it uses less digits than its factorization.

1022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1022203 is about 1011.0405530937. The cubic root of 1022203 is about 100.7346891005.

Adding to 1022203 its reverse (3022201), we get a palindrome (4044404).

It can be divided in two parts, 1022 and 203, that added together give a triangular number (1225 = T₄₉).

The spelling of 1022203 in words is "one million, twenty-two thousand, two hundred three".