221122150454 has 8 divisors (see below), whose sum is σ = 333419787648. Its totient is φ = 109982221240.

The previous prime is 221122150453. The next prime is 221122150463. The reversal of 221122150454 is 454051221122.

221122150454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221122150454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122150451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289426517 + ... + 289427280.

It is an arithmetic number, because the mean of its divisors is an integer number (41677473456).

Almost surely, 2^221122150454 is an apocalyptic number.

221122150454 is a deficient number, since it is larger than the sum of its proper divisors (112297637194).

221122150454 is a wasteful number, since it uses less digits than its factorization.

221122150454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578853990.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 221122150454 its reverse (454051221122), we get a palindrome (675173371576).

The spelling of 221122150454 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred fifty thousand, four hundred fifty-four".