1222370 has 16 divisors (see below), whose sum is σ = 2213568. Its totient is φ = 486000.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222370 is 732221.

It is not an unprimeable number, because it can be changed into a prime (1222373) 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, 2267 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (138348).

2^1222370 is an apocalyptic number.

1222370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222370 is a deficient number, since it is larger than the sum of its proper divisors (991198).

1222370 is a wasteful number, since it uses less digits than its factorization.

1222370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1222370 is about 1105.6084297797. The cubic root of 1222370 is about 106.9221199380.

Adding to 1222370 its reverse (732221), we get a palindrome (1954591).

The spelling of 1222370 in words is "one million, two hundred twenty-two thousand, three hundred seventy".