4537656221622 has 16 divisors (see below), whose sum is σ = 9075362994480. Its totient is φ = 1512543648672.

The previous prime is 4537656221569. The next prime is 4537656221653. The reversal of 4537656221622 is 2261226567354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884893 + ... + 3139800.

It is an arithmetic number, because the mean of its divisors is an integer number (567210187155).

Almost surely, 2^{4537656221622} is an apocalyptic number.

4537656221622 is an abundant number, since it is smaller than the sum of its proper divisors (4537706772858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4537656221622 is a wasteful number, since it uses less digits than its factorization.

4537656221622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212607.

The product of its digits is 7257600, while the sum is 51.

The spelling of 4537656221622 in words is "four trillion, five hundred thirty-seven billion, six hundred fifty-six million, two hundred twenty-one thousand, six hundred twenty-two".