215101396 has 6 divisors (see below), whose sum is σ = 376427450. Its totient is φ = 107550696.

The previous prime is 215101379. The next prime is 215101421. The reversal of 215101396 is 693101512.

It can be written as a sum of positive squares in only one way, i.e., 123210000 + 91891396 = 11100^2 + 9586^2 .

It is a super-2 number, since 2×215101396² = 92537221122297632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26887671 + ... + 26887678.

Almost surely, 2^215101396 is an apocalyptic number.

It is an amenable number.

215101396 is a deficient number, since it is larger than the sum of its proper divisors (161326054).

215101396 is a wasteful number, since it uses less digits than its factorization.

215101396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53775353 (or 53775351 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 215101396 is about 14666.3354659574. The cubic root of 215101396 is about 599.1668027654.

The spelling of 215101396 in words is "two hundred fifteen million, one hundred one thousand, three hundred ninety-six".