221441045751470 has 32 divisors (see below), whose sum is σ = 414072461396736. Its totient is φ = 85173132844800.

The previous prime is 221441045751467. The next prime is 221441045751493. The reversal of 221441045751470 is 74157540144122.

It is a super-2 number, since 2×221441045751470² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274874751 + ... + 2274972090.

It is an arithmetic number, because the mean of its divisors is an integer number (12939764418648).

Almost surely, 2^{221441045751470} is an apocalyptic number.

221441045751470 is a deficient number, since it is larger than the sum of its proper divisors (192631415645266).

221441045751470 is a wasteful number, since it uses less digits than its factorization.

221441045751470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549847036.

The product of its (nonzero) digits is 1254400, while the sum is 47.

Adding to 221441045751470 its reverse (74157540144122), we get a palindrome (295598585895592).

The spelling of 221441045751470 in words is "two hundred twenty-one trillion, four hundred forty-one billion, forty-five million, seven hundred fifty-one thousand, four hundred seventy".