221484742762 has 8 divisors (see below), whose sum is σ = 332240781600. Its totient is φ = 110737815564.

The previous prime is 221484742747. The next prime is 221484742837. The reversal of 221484742762 is 267247484122.

It is a happy number.

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

It is a super-2 number, since 2×221484742762² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216812 + ... + 2314567.

It is an arithmetic number, because the mean of its divisors is an integer number (41530097700).

Almost surely, 2^221484742762 is an apocalyptic number.

221484742762 is a deficient number, since it is larger than the sum of its proper divisors (110756038838).

221484742762 is a wasteful number, since it uses less digits than its factorization.

221484742762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555820.

The product of its digits is 2408448, while the sum is 49.

The spelling of 221484742762 in words is "two hundred twenty-one billion, four hundred eighty-four million, seven hundred forty-two thousand, seven hundred sixty-two".