622272155601064 has 8 divisors (see below), whose sum is σ = 1166760291752010. Its totient is φ = 311136077800528.

The previous prime is 622272155601059. The next prime is 622272155601067. The reversal of 622272155601064 is 460106551272226.

It can be written as a sum of positive squares in only one way, i.e., 485658370124964 + 136613785476100 = 22037658^2 + 11688190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 622272155600999 and 622272155601017.

It is not an unprimeable number, because it can be changed into a prime (622272155601067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38892009725059 + ... + 38892009725074.

Almost surely, 2^{622272155601064} is an apocalyptic number.

It is an amenable number.

622272155601064 is a deficient number, since it is larger than the sum of its proper divisors (544488136150946).

622272155601064 is a wasteful number, since it uses less digits than its factorization.

622272155601064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77784019450139 (or 77784019450135 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 622272155601064 in words is "six hundred twenty-two trillion, two hundred seventy-two billion, one hundred fifty-five million, six hundred one thousand, sixty-four".