2221487342 has 32 divisors (see below), whose sum is σ = 3651920640. Its totient is φ = 1008944640.

The previous prime is 2221487329. The next prime is 2221487351. The reversal of 2221487342 is 2437841222.

It is a super-3 number, since 3×2221487342³ (a number of 29 digits) contains 333 as substring.

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, 415784 + ... + 421092.

It is an arithmetic number, because the mean of its divisors is an integer number (114122520).

Almost surely, 2^2221487342 is an apocalyptic number.

2221487342 is a deficient number, since it is larger than the sum of its proper divisors (1430433298).

2221487342 is a wasteful number, since it uses less digits than its factorization.

2221487342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756.

The product of its digits is 43008, while the sum is 35.

The square root of 2221487342 is about 47132.6568527597. The cubic root of 2221487342 is about 1304.8120165900.

The spelling of 2221487342 in words is "two billion, two hundred twenty-one million, four hundred eighty-seven thousand, three hundred forty-two".