234215222202154 has 8 divisors (see below), whose sum is σ = 351405907998660. Its totient is φ = 117079919535936.

The previous prime is 234215222202109. The next prime is 234215222202197. The reversal of 234215222202154 is 451202222512432.

It can be written as a sum of positive squares in 2 ways, for example, as 171462604263129 + 62752617939025 = 13094373^2 + 7921655^2 .

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

It is a super-2 number, since 2×234215222202154² (a number of 30 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, 13845771999 + ... + 13845788914.

Almost surely, 2^{234215222202154} is an apocalyptic number.

234215222202154 is a deficient number, since it is larger than the sum of its proper divisors (117190685796506).

234215222202154 is a wasteful number, since it uses less digits than its factorization.

234215222202154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27691565144.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 234215222202154 its reverse (451202222512432), we get a palindrome (685417444714586).

The spelling of 234215222202154 in words is "two hundred thirty-four trillion, two hundred fifteen billion, two hundred twenty-two million, two hundred two thousand, one hundred fifty-four".