1242006622 has 4 divisors (see below), whose sum is σ = 1863009936. Its totient is φ = 621003310.

The previous prime is 1242006613. The next prime is 1242006629. The reversal of 1242006622 is 2266002421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2266002421 = 953 ⋅2377757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242006629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310501654 + ... + 310501657.

It is an arithmetic number, because the mean of its divisors is an integer number (465752484).

Almost surely, 2^1242006622 is an apocalyptic number.

1242006622 is a deficient number, since it is larger than the sum of its proper divisors (621003314).

1242006622 is an equidigital number, since it uses as much as digits as its factorization.

1242006622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621003313.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1242006622 is about 35242.1143236327. The cubic root of 1242006622 is about 1074.9162716833.

The spelling of 1242006622 in words is "one billion, two hundred forty-two million, six thousand, six hundred twenty-two".