87022211 has 2 divisors, whose sum is σ = 87022212. Its totient is φ = 87022210.

The previous prime is 87022183. The next prime is 87022219. The reversal of 87022211 is 11222078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87022211 - 2¹⁴ = 87005827 is a prime.

It is not a weakly prime, because it can be changed into another prime (87022219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43511105 + 43511106.

It is an arithmetic number, because the mean of its divisors is an integer number (43511106).

Almost surely, 2^87022211 is an apocalyptic number.

87022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

87022211 is an equidigital number, since it uses as much as digits as its factorization.

87022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 87022211 is about 9328.5696116822. The cubic root of 87022211 is about 443.1424670064.

Adding to 87022211 its reverse (11222078), we get a palindrome (98244289).

The spelling of 87022211 in words is "eighty-seven million, twenty-two thousand, two hundred eleven".