1098226 has 16 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 524320.

The previous prime is 1098221. The next prime is 1098233. The reversal of 1098226 is 6228901.

It is a happy number.

It is a super-2 number, since 2×1098226² = 2412200694152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1098194 and 1098203.

It is not an unprimeable number, because it can be changed into a prime (1098221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4725 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^1098226 is an apocalyptic number.

1098226 is a deficient number, since it is larger than the sum of its proper divisors (625454).

1098226 is a wasteful number, since it uses less digits than its factorization.

1098226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1098226 is about 1047.9627855988. The cubic root of 1098226 is about 103.1724888107.

The spelling of 1098226 in words is "one million, ninety-eight thousand, two hundred twenty-six".