629657422 has 8 divisors (see below), whose sum is σ = 955865736. Its totient is φ = 311035512.

The previous prime is 629657387. The next prime is 629657429. The reversal of 629657422 is 224756926.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629657429) 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 3 ways as a sum of consecutive naturals, for example, 1896393 + ... + 1896724.

It is an arithmetic number, because the mean of its divisors is an integer number (119483217).

Almost surely, 2^629657422 is an apocalyptic number.

629657422 is a deficient number, since it is larger than the sum of its proper divisors (326208314).

629657422 is a wasteful number, since it uses less digits than its factorization.

629657422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793202.

The product of its digits is 362880, while the sum is 43.

The square root of 629657422 is about 25092.9755509386. The cubic root of 629657422 is about 857.1064743102.

The spelling of 629657422 in words is "six hundred twenty-nine million, six hundred fifty-seven thousand, four hundred twenty-two".