1421622499 has 8 divisors (see below), whose sum is σ = 1552166640. Its totient is φ = 1291296000.

The previous prime is 1421622491. The next prime is 1421622509. The reversal of 1421622499 is 9942261241.

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 1421622499 - 2³ = 1421622491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421622491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40594 + ... + 67015.

It is an arithmetic number, because the mean of its divisors is an integer number (194020830).

Almost surely, 2^1421622499 is an apocalyptic number.

1421622499 is a deficient number, since it is larger than the sum of its proper divisors (130544141).

1421622499 is a wasteful number, since it uses less digits than its factorization.

1421622499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108821.

The product of its digits is 62208, while the sum is 40.

The square root of 1421622499 is about 37704.4095431821. The cubic root of 1421622499 is about 1124.4187941717.

The spelling of 1421622499 in words is "one billion, four hundred twenty-one million, six hundred twenty-two thousand, four hundred ninety-nine".