1642632622 has 8 divisors (see below), whose sum is σ = 2495138400. Its totient is φ = 810919824.

The previous prime is 1642632611. The next prime is 1642632643. The reversal of 1642632622 is 2262362461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198047 + ... + 5198362.

It is an arithmetic number, because the mean of its divisors is an integer number (311892300).

Almost surely, 2^1642632622 is an apocalyptic number.

1642632622 is a deficient number, since it is larger than the sum of its proper divisors (852505778).

1642632622 is a wasteful number, since it uses less digits than its factorization.

1642632622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396490.

The product of its digits is 41472, while the sum is 34.

The square root of 1642632622 is about 40529.4044121055. The cubic root of 1642632622 is about 1179.9043832319.

The spelling of 1642632622 in words is "one billion, six hundred forty-two million, six hundred thirty-two thousand, six hundred twenty-two".