1522222 has 16 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 695520.

The previous prime is 1522201. The next prime is 1522249. The reversal of 1522222 is 2222251.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 5⁷ + 2⁸ + 2¹¹ + 2¹⁷ + 2¹⁸ + 2²⁰ .

1522222 is a modest number, since divided by 2222 gives 152 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1522196 and 1522205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072 + ... + 3532.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^1522222 is an apocalyptic number.

1522222 is a deficient number, since it is larger than the sum of its proper divisors (961490).

1522222 is a wasteful number, since it uses less digits than its factorization.

1522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 160, while the sum is 16.

The square root of 1522222 is about 1233.7836114976. The cubic root of 1522222 is about 115.0339408325.

Adding to 1522222 its reverse (2222251), we get a palindrome (3744473).

The spelling of 1522222 in words is "one million, five hundred twenty-two thousand, two hundred twenty-two".