4221854745087 has 16 divisors (see below), whose sum is σ = 6433586388992. Its totient is φ = 2412381955680.

The previous prime is 4221854745079. The next prime is 4221854745139. The reversal of 4221854745087 is 7805474581224.

It is not a de Polignac number, because 4221854745087 - 2³ = 4221854745079 is a prime.

It is a super-2 number, since 2×4221854745087² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221854745187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3947839 + ... + 4901952.

It is an arithmetic number, because the mean of its divisors is an integer number (402099149312).

Almost surely, 2^{4221854745087} is an apocalyptic number.

4221854745087 is a deficient number, since it is larger than the sum of its proper divisors (2211731643905).

4221854745087 is a wasteful number, since it uses less digits than its factorization.

4221854745087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872518.

The product of its (nonzero) digits is 20070400, while the sum is 57.

The spelling of 4221854745087 in words is "four trillion, two hundred twenty-one billion, eight hundred fifty-four million, seven hundred forty-five thousand, eighty-seven".