1622633422 has 4 divisors (see below), whose sum is σ = 2433950136. Its totient is φ = 811316710.

The previous prime is 1622633401. The next prime is 1622633437. The reversal of 1622633422 is 2243362261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2243362261 = 7 ⋅320480323.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405658354 + ... + 405658357.

It is an arithmetic number, because the mean of its divisors is an integer number (608487534).

Almost surely, 2^1622633422 is an apocalyptic number.

1622633422 is a deficient number, since it is larger than the sum of its proper divisors (811316714).

1622633422 is an equidigital number, since it uses as much as digits as its factorization.

1622633422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811316713.

The product of its digits is 20736, while the sum is 31.

The square root of 1622633422 is about 40281.9242589030. The cubic root of 1622633422 is about 1175.0963366312.

Adding to 1622633422 its reverse (2243362261), we get a palindrome (3865995683).

The spelling of 1622633422 in words is "one billion, six hundred twenty-two million, six hundred thirty-three thousand, four hundred twenty-two".