622079998 has 4 divisors (see below), whose sum is σ = 933120000. Its totient is φ = 311039998.

The previous prime is 622079989. The next prime is 622079999. The reversal of 622079998 is 899970226.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622079999) 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 as a sum of consecutive naturals, namely, 155519998 + ... + 155520001.

It is an arithmetic number, because the mean of its divisors is an integer number (233280000).

Almost surely, 2^622079998 is an apocalyptic number.

622079998 is a deficient number, since it is larger than the sum of its proper divisors (311040002).

622079998 is a wasteful number, since it uses less digits than its factorization.

622079998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311040001.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 622079998 is about 24941.5315888981. The cubic root of 622079998 is about 853.6543921628.

The spelling of 622079998 in words is "six hundred twenty-two million, seventy-nine thousand, nine hundred ninety-eight".