221422057342654 has 16 divisors (see below), whose sum is σ = 379580863557600. Its totient is φ = 94895118975744.

The previous prime is 221422057342621. The next prime is 221422057342657. The reversal of 221422057342654 is 456243750224122.

It is a junction number, because it is equal to n+sod(n) for n = 221422057342598 and 221422057342607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422057342657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44362482 + ... + 49100650.

It is an arithmetic number, because the mean of its divisors is an integer number (23723803972350).

Almost surely, 2^{221422057342654} is an apocalyptic number.

221422057342654 is a deficient number, since it is larger than the sum of its proper divisors (158158806214946).

221422057342654 is a wasteful number, since it uses less digits than its factorization.

221422057342654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076147.

The product of its (nonzero) digits is 6451200, while the sum is 49.

The spelling of 221422057342654 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-seven million, three hundred forty-two thousand, six hundred fifty-four".