1622214233 has 2 divisors, whose sum is σ = 1622214234. Its totient is φ = 1622214232.

The previous prime is 1622214197. The next prime is 1622214247. The reversal of 1622214233 is 3324122261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1247714329 + 374499904 = 35323^2 + 19352^2 .

It is an emirp because it is prime and its reverse (3324122261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1622214233 - 2¹⁰ = 1622213209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1622214533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811107116 + 811107117.

It is an arithmetic number, because the mean of its divisors is an integer number (811107117).

Almost surely, 2^1622214233 is an apocalyptic number.

It is an amenable number.

1622214233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622214233 is an equidigital number, since it uses as much as digits as its factorization.

1622214233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 1622214233 is about 40276.7207329494. The cubic root of 1622214233 is about 1174.9951369649.

Adding to 1622214233 its reverse (3324122261), we get a palindrome (4946336494).

The spelling of 1622214233 in words is "one billion, six hundred twenty-two million, two hundred fourteen thousand, two hundred thirty-three".