22119247 has 2 divisors, whose sum is σ = 22119248. Its totient is φ = 22119246.

The previous prime is 22119233. The next prime is 22119301. The reversal of 22119247 is 74291122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22119247 - 2¹⁹ = 21594959 is a prime.

It is a super-2 number, since 2×22119247² = 978522175694018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22119217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11059623 + 11059624.

It is an arithmetic number, because the mean of its divisors is an integer number (11059624).

Almost surely, 2^22119247 is an apocalyptic number.

22119247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22119247 is an equidigital number, since it uses as much as digits as its factorization.

22119247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 22119247 is about 4703.1103537978. The cubic root of 22119247 is about 280.7092859289.

It can be divided in two parts, 22119 and 247, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 22119247 in words is "twenty-two million, one hundred nineteen thousand, two hundred forty-seven".