1520222 has 16 divisors (see below), whose sum is σ = 2547072. Its totient is φ = 674520.

The previous prime is 1520221. The next prime is 1520227. The reversal of 1520222 is 2220251.

It is a super-2 number, since 2×1520222² = 4622149858568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520197 and 1520206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520221) 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, 143 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (159192).

2^1520222 is an apocalyptic number.

1520222 is a deficient number, since it is larger than the sum of its proper divisors (1026850).

1520222 is a wasteful number, since it uses less digits than its factorization.

1520222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1520222 is about 1232.9728301954. The cubic root of 1520222 is about 114.9835389167.

Adding to 1520222 its reverse (2220251), we get a palindrome (3740473).

The spelling of 1520222 in words is "one million, five hundred twenty thousand, two hundred twenty-two".