1626225 has 12 divisors (see below), whose sum is σ = 2688816. Its totient is φ = 867280.

The previous prime is 1626211. The next prime is 1626227. The reversal of 1626225 is 5226261.

It is not a de Polignac number, because 1626225 - 2⁵ = 1626193 is a prime.

1626225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1626195 and 1626204.

It is not an unprimeable number, because it can be changed into a prime (1626227) 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, 10767 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (224068).

2^1626225 is an apocalyptic number.

1626225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1626225 is a deficient number, since it is larger than the sum of its proper divisors (1062591).

1626225 is a wasteful number, since it uses less digits than its factorization.

1626225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21696 (or 21691 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1626225 is about 1275.2352724105. The cubic root of 1626225 is about 117.5962693758.

The spelling of 1626225 in words is "one million, six hundred twenty-six thousand, two hundred twenty-five".