622021132 has 6 divisors (see below), whose sum is σ = 1088536988. Its totient is φ = 311010564.

The previous prime is 622021121. The next prime is 622021163. The reversal of 622021132 is 231120226.

It is a super-2 number, since 2×622021132² = 773820577309122848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77752638 + ... + 77752645.

Almost surely, 2^622021132 is an apocalyptic number.

It is an amenable number.

622021132 is a deficient number, since it is larger than the sum of its proper divisors (466515856).

622021132 is a wasteful number, since it uses less digits than its factorization.

622021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155505287 (or 155505285 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 622021132 is about 24940.3514810838. The cubic root of 622021132 is about 853.6274648626.

Adding to 622021132 its reverse (231120226), we get a palindrome (853141358).

The spelling of 622021132 in words is "six hundred twenty-two million, twenty-one thousand, one hundred thirty-two".