1222351 has 8 divisors (see below), whose sum is σ = 1394064. Its totient is φ = 1061760.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222351 is 1532221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222351 - 2¹³ = 1214159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222651) 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, 2545 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (174258).

2^1222351 is an apocalyptic number.

1222351 is a deficient number, since it is larger than the sum of its proper divisors (171713).

1222351 is a wasteful number, since it uses less digits than its factorization.

1222351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561.

The product of its digits is 120, while the sum is 16.

The square root of 1222351 is about 1105.5998371925. The cubic root of 1222351 is about 106.9215659511.

Adding to 1222351 its reverse (1532221), we get a palindrome (2754572).

The spelling of 1222351 in words is "one million, two hundred twenty-two thousand, three hundred fifty-one".