651046922 has 4 divisors (see below), whose sum is σ = 976570386. Its totient is φ = 325523460.

The previous prime is 651046889. The next prime is 651046927. The reversal of 651046922 is 229640156.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 435515161 + 215531761 = 20869^2 + 14681^2 .

It is not an unprimeable number, because it can be changed into a prime (651046927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162761729 + ... + 162761732.

Almost surely, 2^651046922 is an apocalyptic number.

651046922 is a deficient number, since it is larger than the sum of its proper divisors (325523464).

651046922 is a wasteful number, since it uses less digits than its factorization.

651046922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325523463.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 651046922 is about 25515.6211368644. The cubic root of 651046922 is about 866.7039249926.

The spelling of 651046922 in words is "six hundred fifty-one million, forty-six thousand, nine hundred twenty-two".