2215420434 has 48 divisors (see below), whose sum is σ = 4836624000. Its totient is φ = 732872448.

The previous prime is 2215420391. The next prime is 2215420451. The reversal of 2215420434 is 4340245122.

2215420434 is a `hidden beast` number, since 221 + 5 + 4 + 2 + 0 + 434 = 666.

It is a super-3 number, since 3×2215420434³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2215420398 and 2215420407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2410227 + ... + 2411145.

It is an arithmetic number, because the mean of its divisors is an integer number (100763000).

Almost surely, 2^2215420434 is an apocalyptic number.

2215420434 is an abundant number, since it is smaller than the sum of its proper divisors (2621203566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215420434 is a wasteful number, since it uses less digits than its factorization.

2215420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2215420434 is about 47068.2529312487. The cubic root of 2215420434 is about 1303.6231146541.

Adding to 2215420434 its reverse (4340245122), we get a palindrome (6555665556).

The spelling of 2215420434 in words is "two billion, two hundred fifteen million, four hundred twenty thousand, four hundred thirty-four".